-
1 right
1. adjective1) (on or related to the side of the body which in most people has the more skilful hand, or to the side of a person or thing which is toward the east when that person or thing is facing north (opposite to left): When I'm writing, I hold my pen in my right hand.) derecho2) (correct: Put that book back in the right place; Is that the right answer to the question?) correcto3) (morally correct; good: It's not right to let thieves keep what they have stolen.) bien4) (suitable; appropriate: He's not the right man for this job; When would be the right time to ask him?) adecuado, apropiado
2. noun1) (something a person is, or ought to be, allowed to have, do etc: Everyone has the right to a fair trial; You must fight for your rights; You have no right to say that.) derecho2) (that which is correct or good: Who's in the right in this argument?) cierto, razón3) (the right side, part or direction: Turn to the right; Take the second road on the right.) derecha4) (in politics, the people, group, party or parties holding the more traditional beliefs etc.) derecha
3. adverb1) (exactly: He was standing right here.) exactamente2) (immediately: I'll go right after lunch; I'll come right down.) inmediatamente3) (close: He was standing right beside me.) justo4) (completely; all the way: The bullet went right through his arm.) totalmente, completamente5) (to the right: Turn right.) a la derecha6) (correctly: Have I done that right?; I don't think this sum is going to turn out right.) bien, correctamente
4. verb1) (to bring back to the correct, usually upright, position: The boat tipped over, but righted itself again.) enderezar2) (to put an end to and make up for something wrong that has been done: He's like a medieval knight, going about the country looking for wrongs to right.) corregir
5. interjection(I understand; I'll do what you say etc: `I want you to type some letters for me.' `Right, I'll do them now.') de acuerdo, bien- righteously
- righteousness
- rightful
- rightfully
- rightly
- rightness
- righto
- right-oh
- rights
- right angle
- right-angled
- right-hand
- right-handed
- right wing
6. adjective((right-wing) (having opinions which are) of this sort.) de derecha- by rights
- by right
- get
- keep on the right side of
- get right
- go right
- not in one's right mind
- not quite right in the head
- not right in the head
- put right
- put/set to rights
- right away
- right-hand man
- right now
- right of way
- serve right
right1 adj1. correctocan you tell me the right time? ¿me puedes decir la hora exacta?is this the High Street? That's right ¿es la Calle Mayor? Así es2. derechoright2 adv1. bien2. a la derechaturn right at the traffic lights en el semáforo, gira a la derecha3. justo / exactamenteright3 n1. derecha2. bien3. derechotr[raɪt]1 (not left) derecho,-a2 (correct) correcto,-a3 (just) justo,-a4 (suitable) apropiado,-a, adecuado,-a■ I don't think he's the right person for the job no creo que sea la persona adecuada para el puesto■ this watch hasn't been right since it was repaired este reloj no ha ido bien desde que lo repararon1 a la derecha, hacia la derecha■ turn right at the traffic lights en el semáforo, gira a la derecha2 (correctly) bien, correctamente3 (exactly) justo4 (well) bueno, bien■ right, I'm going to bed bueno, yo me voy a la cama1 (not left) derecha2 (entitlement) derecho1 corregir2 SMALLMARITIME/SMALL enderezar\SMALLIDIOMATIC EXPRESSION/SMALLall right! ¡bien!, ¡conforme!, ¡vale!it serves you «(him, etc)» right te (le, etc) está bien empleadoright away en seguidato be right tener razónto get it right acertarto put right arreglar, corregirright and wrong el bien y el malright angle ángulo rectoright wing SMALLPOLITICS/SMALL derecharight ['raɪt] vt1) fix, restore: repararto right the economy: reparar la economía2) straighten: enderezarright adv1) : biento live right: vivir bien2) precisely: precisamente, justoright in the middle: justo en medio3) directly, straight: derecho, directamentehe went right home: fue derecho a casa4) immediately: inmediatamenteright after lunch: inmediatamente después del almuerzo5) completely: completamentehe felt right at home: se sintió completamente cómodo6) : a la derechato look left and right: mirar a la izquierda y a la derecharight adj1) upright: bueno, honradoright conduct: conducta honrada2) correct: correctothe right answer: la respuesta correcta3) appropriate: apropiado, adecuado, debidothe right man for the job: el hombre perfecto para el trabajo4) straight: rectoa right line: una línea recta5) : derechothe right hand: la mano derecha6) sound: bienhe's not in his right mind: no está bien de la cabezaright n1) good: bien mto do right: hacer el bien2) : derecha fon the right: a la derecha4) entitlement: derecho mthe right to vote: el derecho a votarwomen's rights: los derechos de la mujer5)the Right : la derecha (en la política)adj.• acertado, -a adj.• ajustado, -a adj.• correcto, -a adj.• debido, -a adj.• derecho, -a adj.• diestro, -a adj.• enderezado, -a adj.• exacto, -a adj.• justo, -a adj.• lícito, -a adj.adv.• a la derecha adv.• bien adv.• justo adv.• mismo adv.interj.• cabal interj.n.• derechazo s.m.• derecho s.m.• justicia s.f.• privilegio s.m.• razón s.f.v.• adrizar v.• enderezar v.• endrezar v.
I raɪt1) ( correct) <answer/interpretation> correctoare we going in the right direction? — ¿vamos bien?
are you sure this is the right house? — ¿estás seguro de que ésta es la casa or de que es aquí?
did you press the right button? — ¿apretaste el botón que debías?
do you have the right change? — ¿tienes el cambio justo?
do you have the right time? — ¿tienes hora (buena)?
2) ( not mistaken)to be right — \<\<person\>\> tener* razón, estar* en lo cierto; \<\<clock\>\> estar* bien
how right she was! — cuánta razón tenía!, si habrá tenido razón!
to be right ABOUT something/somebody — tener* razón en cuanto a algo/alguien
to be right IN something: am I right in thinking this has happened before? si no me equivoco esto ya había pasado antes ¿no?; to get something right: you got two answers right acertaste dos respuestas; did I get your name right? ¿entendí bien tu nombre?; I guess you're Bobby - that's right! tú tienes que ser Bobby - el mismo! or así es!; two o'clock tomorrow, right? - right! — a las dos mañana ¿de acuerdo? - de acuerdo! or (esp Esp fam) vale!
3) (good, suitable) adecuado, apropiadowere the curtains the right length? — ¿estaban bien de largo las cortinas?
if the price is right — si el precio es razonable, si está bien de precio
4) (just, moral) (pred)to be right — ser* justo
to be right to + inf — hacer* bien en + inf
5) (pred)a) ( in order)it's too quiet: something's not right — hay demasiado silencio, algo pasa
b) (fit, healthy) (colloq) bien6) ( complete) (BrE colloq) (before n)he's a right idiot — es un idiota redomado or de marca mayor
7) ( Math)right angle — ángulo m recto
right triangle — (AmE) triángulo m rectángulo
8) (before n) <side/ear/shoe> derecho
II
1) (correctly, well) bien, correctamenteI had guessed right — había adivinado, no me había equivocado
nothing goes right for them — todo les sale mal, nada les sale bien
to do right by somebody — portarse bien con alguien; serve I 2)
2)a) (all the way, completely)they kept hoping right up until the last moment — no perdieron las esperanzas hasta el último momento
b) ( directly)it's right in front of you — lo tienes allí delante or (fam) delante de las narices
he was right here/there — estaba aquí mismo/allí mismo
c) ( immediately)3) <turn/look> a la derecha
III
1)a) c u ( entitlement) derecho mright to something/+ INF — derecho a algo/+ inf
in her/his/its own right: she is Queen in her own right es Reina a título propio or por derecho propio; she is also a composer in her own right ella también es compositora; the title is his by right el título le corresponde a él; by what right? — ¿con qué derecho?
b) rights pl derechos mplto be within one's rights — estar* en su (or mi etc) derecho
2) u c ( what is correct)to know right from wrong — saber* distinguir entre el bien y el mal
to be in the right — tener* razón, llevar la razón, estar* en lo cierto
to put o set something to rights — (esp BrE) arreglar algo
3)a) u ( opposite the left) derecha fthe one on the right — el/la de la derecha
to drive on the right — manejar or (Esp) conducir* por la derecha
on o to my/your right — a mi/tu derecha
b) ( right turn)take the next right — tome or (esp Esp) coja la próxima a la derecha
to make o (BrE) take a right — girar or torcer* or doblar a la derecha
4) u ( Pol)
IV
a) ( set upright) enderezar*b) ( redress) \<\<injustice\>\> reparar
V
interjection (colloq) bueno!, vale! (Esp fam)[raɪt]1. ADJ1) (=morally good, just) justoit is/seems only right that she should get the biggest share — es/me parece justo que ella reciba la mayor parte, está/me parece bien que ella reciba la mayor parte
it doesn't seem right that his contribution should not be acknowledged — parece injusto que no se reconozca su aportación
it's not right! — ¡no hay derecho!
I thought it right to ask permission first — me pareció conveniente preguntarle antes, pensé que debía preguntarle antes
would it be right for me to ask him? — ¿debería preguntárselo?
it is only right and proper that people should know what is going on — lo suyo es que la gente sepa lo que pasa
to do the right thing, do what is right — hacer lo correcto, actuar correctamente
doing the right thing by a pregnant girlfriend meant marrying her — hacer lo que Dios manda con una novia embarazada significaba casarse con ella
2) (=suitable) [tool, clothes] apropiado, adecuado; [time] oportunoto choose the right moment for sth/to do sth — elegir el momento oportuno para algo/para hacer algo
that's the right attitude! — ¡haces bien!
I haven't got the right clothes for a formal dinner — no tengo ropa apropiada or adecuada para una cena de etiqueta
you're not using the right tool for the job — no estás empleando la herramienta apropiada or adecuada para el trabajo
I don't think he's the right sort of person for you — me parece que no es la persona que te conviene
•
the balance of humour and tragedy is just right — el equilibrio entre humor y tragedia es perfecto"is there too much salt in it?" - "no, it's just right" — -¿tiene demasiada sal? -no, está en su punto justo
•
Mr Right — el novio soñado, el marido idealhe knows all the right people — tiene enchufes or (LAm) palanca en todas partes
•
I just happened to be in the right place at the right time — dio la casualidad de que estaba en el sitio adecuado en el momento adecuado•
if the price is right — si el precio es razonable•
he's on the right side of 40 — tiene menos de 40 años•
to say the right thing — decir lo que hay que decir, tener las palabras justas•
we'll do it when the time is right — lo haremos en el momento oportuno or a su debido tiempo3) (=correct) correcto, exactoright first time! — ¡exactamente!, ¡exacto!
"she's your sister?" - "that's right!" — -¿es tu hermana? -¡eso es! or ¡así es! or ¡exacto!
that's right! it has to go through that hole — ¡eso es! tiene que pasar por ese agujero
she said she'd done it, isn't that right, mother? — dijo que lo había hecho ¿no es así, madre? or ¿a que sí, madre?
you mean he offered to pay? is that right, Harry? — ¿dices que se ofreció a pagar? ¿es eso cierto, Harry?
and quite right too! — ¡y con razón!
am I right for the station? — ¿por aquí se va a la estación?, ¿voy bien (por aquí) para la estación?
•
right you are! * — ¡vale!, ¡muy bien!•
I was beginning to wonder whether I had the right day — empezaba a preguntarme si me habría equivocado de díayou didn't get it right, so you lose five points — no acertaste or te equivocaste, así que pierdes cinco puntos
let's get it right this time! — ¡a ver si esta vez nos sale bien!
we must get it right this time — esta vez tenemos que hacerlo bien or nos tiene que salir bien
•
is this the right house? — ¿es esta la casa?•
are you sure you've got the right number? — (Telec) ¿seguro que es ese el número?I'm confused, and I wanted you to put me right — tengo dudas y quisiera que tú me las aclararas
if you tell the story wrong the child will soon put you right — si te equivocas al contar la historia, el niño enseguida te corrige or te saca de tu error
to put a mistake right — corregir or rectificar un error
•
is this the right road for Segovia? — ¿es este el camino de Segovia?, ¿por aquí se va a Segovia?are we on the right road? — ¿vamos por buen camino?, ¿vamos bien por esta carretera?
•
it's not the right shade of green — no es el tono de verde que yo busco•
the right side of the fabric — el (lado) derecho de la tela•
is the skirt the right size? — ¿va bien la falda de talla?it's not the right size/length — no vale de talla/de largo
is that the right time? — ¿es esa la hora?
do you have the right time? — ¿tienes hora buena?, ¿sabes qué hora es exactamente?
- get on the right side of sb4) (=in the right)•
to be right — [person] tener razón, estar en lo ciertoyou're quite right, you're dead right * — tienes toda la razón
how right you are! — ¡qué razón tienes!
•
to be right about sth/sb, you were right about there being none left — tenías razón cuando decías que no quedaba ningunoyou were right about Peter, he's totally unreliable — tenías razón en lo de Peter or con respecto a Peter: no hay quien se fíe de él
•
am I right in thinking that we've met before? — si no me equivoco ya nos conocemos ¿no?you were right in calling the doctor, it was appendicitis — hiciste bien en llamar al médico, era apendicitis
5) (=in order)I knew something wasn't right when she didn't call as usual — supe que algo no iba bien cuando no llamaba como de costumbre
•
it will all come right in the end — todo se arreglará al final•
to put sth/sb right, I hope the garage can put the car right — espero que me sepan arreglar el coche en el talleryou've offended her but it's not too late to put things right — la has ofendido pero aún puedes arreglarlo
it's nothing a night's sleep won't put right — no es nada que no se arregle durmiendo toda la noche de un tirón
that's soon put right — eso se arregla fácilmente, eso tiene fácil arreglo
- be/feel as right as rain6) (=not left) derechoI'd give my right arm to know — daría cualquier cosa or todo el oro del mundo por saberlo
7) (Math) [angle] recto8) (Brit)* (as intensifier) (=complete)she made a right mess of it — lo hizo fatal *, le salió un buen churro (Sp) *
Charlieyou're a right one to talk — iro mira quién habla
2. ADV1) (=directly, exactly)•
right away — en seguida, ahora mismo, ahorita (mismo) (Mex, And)•
it happened right before our eyes — ocurrió delante de nuestros propios ojos•
he was standing right in the middle of the road — estaba justo en el centro or (CAm) en el mero centro de la calleshe's busy right now — ahora mismo or justo ahora está ocupada
•
he could tell right off that I was a foreigner — reconoció de inmediato que yo era extranjero•
to go right on — seguir todo derechoright on! * — † ¡eso es!, ¡de acuerdo!
•
she should come right out and say so — debería ser clara y decirlo•
it fell right on top of me — me cayó justo encima2) (=immediately) justo, inmediatamente•
I'll do it right after dinner — lo haré justo or inmediatamente después de cenar•
come right in! — ¡ven aquí dentro!3) (=completely)•
their house is right at the end of the street — su casa está justo al final de la calleshe was a very active old lady, right to the end — fue una anciana muy activa hasta el final
•
to push sth right in — meter algo hasta el fondo•
there is a fence right round the house — hay una valla que rodea la casa por completo•
he filled it right up — lo llenó del todo4) (=correctly) bien, correctamenteyou did right to/not to invite them — hiciste bien en invitarlos/en no invitarlos
if I remember right — si mal no recuerdo, si no me falla la memoria
it's him, right enough! — ¡seguro que es él!
5) (=fairly)•
to do right by sb — portarse como es debido con algn•
don't worry about the pay, John will see you right — no te preocupes por el sueldo, John se encargará de que te paguen lo que te correspondeserve•
to treat sb right — tratar bien a algn6) (=properly, satisfactorily) bien7) (=not left) a la derecha•
eyes right! — (Mil) ¡vista a la derecha!•
to turn right — torcer a la derechaleft II, 1., 1)right (about) turn! — ¡media vuelta a la derecha!
8) (as linker)right, who's next? — a ver, ¿quién va ahora?
right then, let's begin! — ¡empecemos, pues!
9) (in titles)3. N1) (=what is morally right, just)•
by rights the house should go to me — lo suyo or lo propio es que la casa me correspondiera a mí•
to be in the right — tener razón, estar en lo ciertowrong 3.to set or put the world to rights — arreglar el mundo
2) (=prerogative) derecho mthey have a right to privacy — tienen derecho a la or su intimidad
people have the right to read any kind of material they wish — la gente tiene derecho a leer lo que desee
what gives you the right or what right have you got to criticize me? — ¿qué derecho tienes tú a criticarme?
who gave you the right to come in here? — ¿quién te ha dado permiso para entrar aquí?
•
as of right — por derecho propio•
by right of — por or en razón deby what right do you make all the decisions? — ¿con qué derecho tomas tú todas las decisiones?
abode, assembly, exercise, reserve 2., 1)•
to own sth in one's own right — poseer algo por derecho propio•
insist on your legal rights — hazte valer tus derechos legales•
they don't have voting rights — no tienen derecho al voto or de voto•
to be (well) within one's rights — estar en su derechoyou'd be well within your rights to refuse to cooperate — estarías en tu derecho a negarte a cooperar
•
women's rights — derechos de la mujerall rights reserved — es propiedad, reservados todos los derechos
4) (=not left) derecha f•
reading from right to left — leyendo de derecha a izquierda•
to keep to the right — (Aut) circular por la derecha•
our house is the second on the right — nuestra casa es la segunda a or de la derecha•
on or to my right — a mi derecha5) (Pol)to be on or to the right of sth/sb — (Pol) estar a la derecha de algo/algn
he's further to the right than I am — es más de derecha or (Sp) de derechas que yo
6) (=right turn)to take or make a right — girar a la derecha
7) (Boxing) (=punch) derechazo m; (=right hand) derecha f4.VT (=put straight) [+ crooked picture] enderezar; (=correct) [+ mistake] corregir; [+ injustice] reparar; (=put right way up) [+ vehicle, person] enderezar•
he tried to right himself but the leg was broken — intentó ponerse de pie pero tenía la pierna rota•
to right a wrong — deshacer un agravio, reparar un daño5.CPDright angle N — ángulo m recto
to be at right angles (to sth) — estar en or formar ángulo recto (con algo)
right back N — (Sport) (=player) lateral mf derecho(-a); (=position) lateral m derecho
right half N — (Sport) medio m (volante) derecho
rights issue N — emisión f de acciones
right-to-liferight to life N — derecho m a la vida
right triangle (US) N — triángulo m rectángulo
right turn N —
to take or make a right turn — (Aut) girar a la derecha; (Pol) dar un giro a la derecha
right wing N — (Pol) derecha f; right-wing; (Sport) (=position) ala f derecha
* * *
I [raɪt]1) ( correct) <answer/interpretation> correctoare we going in the right direction? — ¿vamos bien?
are you sure this is the right house? — ¿estás seguro de que ésta es la casa or de que es aquí?
did you press the right button? — ¿apretaste el botón que debías?
do you have the right change? — ¿tienes el cambio justo?
do you have the right time? — ¿tienes hora (buena)?
2) ( not mistaken)to be right — \<\<person\>\> tener* razón, estar* en lo cierto; \<\<clock\>\> estar* bien
how right she was! — cuánta razón tenía!, si habrá tenido razón!
to be right ABOUT something/somebody — tener* razón en cuanto a algo/alguien
to be right IN something: am I right in thinking this has happened before? si no me equivoco esto ya había pasado antes ¿no?; to get something right: you got two answers right acertaste dos respuestas; did I get your name right? ¿entendí bien tu nombre?; I guess you're Bobby - that's right! tú tienes que ser Bobby - el mismo! or así es!; two o'clock tomorrow, right? - right! — a las dos mañana ¿de acuerdo? - de acuerdo! or (esp Esp fam) vale!
3) (good, suitable) adecuado, apropiadowere the curtains the right length? — ¿estaban bien de largo las cortinas?
if the price is right — si el precio es razonable, si está bien de precio
4) (just, moral) (pred)to be right — ser* justo
to be right to + inf — hacer* bien en + inf
5) (pred)a) ( in order)it's too quiet: something's not right — hay demasiado silencio, algo pasa
b) (fit, healthy) (colloq) bien6) ( complete) (BrE colloq) (before n)he's a right idiot — es un idiota redomado or de marca mayor
7) ( Math)right angle — ángulo m recto
right triangle — (AmE) triángulo m rectángulo
8) (before n) <side/ear/shoe> derecho
II
1) (correctly, well) bien, correctamenteI had guessed right — había adivinado, no me había equivocado
nothing goes right for them — todo les sale mal, nada les sale bien
to do right by somebody — portarse bien con alguien; serve I 2)
2)a) (all the way, completely)they kept hoping right up until the last moment — no perdieron las esperanzas hasta el último momento
b) ( directly)it's right in front of you — lo tienes allí delante or (fam) delante de las narices
he was right here/there — estaba aquí mismo/allí mismo
c) ( immediately)3) <turn/look> a la derecha
III
1)a) c u ( entitlement) derecho mright to something/+ INF — derecho a algo/+ inf
in her/his/its own right: she is Queen in her own right es Reina a título propio or por derecho propio; she is also a composer in her own right ella también es compositora; the title is his by right el título le corresponde a él; by what right? — ¿con qué derecho?
b) rights pl derechos mplto be within one's rights — estar* en su (or mi etc) derecho
2) u c ( what is correct)to know right from wrong — saber* distinguir entre el bien y el mal
to be in the right — tener* razón, llevar la razón, estar* en lo cierto
to put o set something to rights — (esp BrE) arreglar algo
3)a) u ( opposite the left) derecha fthe one on the right — el/la de la derecha
to drive on the right — manejar or (Esp) conducir* por la derecha
on o to my/your right — a mi/tu derecha
b) ( right turn)take the next right — tome or (esp Esp) coja la próxima a la derecha
to make o (BrE) take a right — girar or torcer* or doblar a la derecha
4) u ( Pol)
IV
a) ( set upright) enderezar*b) ( redress) \<\<injustice\>\> reparar
V
interjection (colloq) bueno!, vale! (Esp fam) -
2 Artificial Intelligence
In my opinion, none of [these programs] does even remote justice to the complexity of human mental processes. Unlike men, "artificially intelligent" programs tend to be single minded, undistractable, and unemotional. (Neisser, 1967, p. 9)Future progress in [artificial intelligence] will depend on the development of both practical and theoretical knowledge.... As regards theoretical knowledge, some have sought a unified theory of artificial intelligence. My view is that artificial intelligence is (or soon will be) an engineering discipline since its primary goal is to build things. (Nilsson, 1971, pp. vii-viii)Most workers in AI [artificial intelligence] research and in related fields confess to a pronounced feeling of disappointment in what has been achieved in the last 25 years. Workers entered the field around 1950, and even around 1960, with high hopes that are very far from being realized in 1972. In no part of the field have the discoveries made so far produced the major impact that was then promised.... In the meantime, claims and predictions regarding the potential results of AI research had been publicized which went even farther than the expectations of the majority of workers in the field, whose embarrassments have been added to by the lamentable failure of such inflated predictions....When able and respected scientists write in letters to the present author that AI, the major goal of computing science, represents "another step in the general process of evolution"; that possibilities in the 1980s include an all-purpose intelligence on a human-scale knowledge base; that awe-inspiring possibilities suggest themselves based on machine intelligence exceeding human intelligence by the year 2000 [one has the right to be skeptical]. (Lighthill, 1972, p. 17)4) Just as Astronomy Succeeded Astrology, the Discovery of Intellectual Processes in Machines Should Lead to a Science, EventuallyJust as astronomy succeeded astrology, following Kepler's discovery of planetary regularities, the discoveries of these many principles in empirical explorations on intellectual processes in machines should lead to a science, eventually. (Minsky & Papert, 1973, p. 11)5) Problems in Machine Intelligence Arise Because Things Obvious to Any Person Are Not Represented in the ProgramMany problems arise in experiments on machine intelligence because things obvious to any person are not represented in any program. One can pull with a string, but one cannot push with one.... Simple facts like these caused serious problems when Charniak attempted to extend Bobrow's "Student" program to more realistic applications, and they have not been faced up to until now. (Minsky & Papert, 1973, p. 77)What do we mean by [a symbolic] "description"? We do not mean to suggest that our descriptions must be made of strings of ordinary language words (although they might be). The simplest kind of description is a structure in which some features of a situation are represented by single ("primitive") symbols, and relations between those features are represented by other symbols-or by other features of the way the description is put together. (Minsky & Papert, 1973, p. 11)[AI is] the use of computer programs and programming techniques to cast light on the principles of intelligence in general and human thought in particular. (Boden, 1977, p. 5)The word you look for and hardly ever see in the early AI literature is the word knowledge. They didn't believe you have to know anything, you could always rework it all.... In fact 1967 is the turning point in my mind when there was enough feeling that the old ideas of general principles had to go.... I came up with an argument for what I called the primacy of expertise, and at the time I called the other guys the generalists. (Moses, quoted in McCorduck, 1979, pp. 228-229)9) Artificial Intelligence Is Psychology in a Particularly Pure and Abstract FormThe basic idea of cognitive science is that intelligent beings are semantic engines-in other words, automatic formal systems with interpretations under which they consistently make sense. We can now see why this includes psychology and artificial intelligence on a more or less equal footing: people and intelligent computers (if and when there are any) turn out to be merely different manifestations of the same underlying phenomenon. Moreover, with universal hardware, any semantic engine can in principle be formally imitated by a computer if only the right program can be found. And that will guarantee semantic imitation as well, since (given the appropriate formal behavior) the semantics is "taking care of itself" anyway. Thus we also see why, from this perspective, artificial intelligence can be regarded as psychology in a particularly pure and abstract form. The same fundamental structures are under investigation, but in AI, all the relevant parameters are under direct experimental control (in the programming), without any messy physiology or ethics to get in the way. (Haugeland, 1981b, p. 31)There are many different kinds of reasoning one might imagine:Formal reasoning involves the syntactic manipulation of data structures to deduce new ones following prespecified rules of inference. Mathematical logic is the archetypical formal representation. Procedural reasoning uses simulation to answer questions and solve problems. When we use a program to answer What is the sum of 3 and 4? it uses, or "runs," a procedural model of arithmetic. Reasoning by analogy seems to be a very natural mode of thought for humans but, so far, difficult to accomplish in AI programs. The idea is that when you ask the question Can robins fly? the system might reason that "robins are like sparrows, and I know that sparrows can fly, so robins probably can fly."Generalization and abstraction are also natural reasoning process for humans that are difficult to pin down well enough to implement in a program. If one knows that Robins have wings, that Sparrows have wings, and that Blue jays have wings, eventually one will believe that All birds have wings. This capability may be at the core of most human learning, but it has not yet become a useful technique in AI.... Meta- level reasoning is demonstrated by the way one answers the question What is Paul Newman's telephone number? You might reason that "if I knew Paul Newman's number, I would know that I knew it, because it is a notable fact." This involves using "knowledge about what you know," in particular, about the extent of your knowledge and about the importance of certain facts. Recent research in psychology and AI indicates that meta-level reasoning may play a central role in human cognitive processing. (Barr & Feigenbaum, 1981, pp. 146-147)Suffice it to say that programs already exist that can do things-or, at the very least, appear to be beginning to do things-which ill-informed critics have asserted a priori to be impossible. Examples include: perceiving in a holistic as opposed to an atomistic way; using language creatively; translating sensibly from one language to another by way of a language-neutral semantic representation; planning acts in a broad and sketchy fashion, the details being decided only in execution; distinguishing between different species of emotional reaction according to the psychological context of the subject. (Boden, 1981, p. 33)Can the synthesis of Man and Machine ever be stable, or will the purely organic component become such a hindrance that it has to be discarded? If this eventually happens-and I have... good reasons for thinking that it must-we have nothing to regret and certainly nothing to fear. (Clarke, 1984, p. 243)The thesis of GOFAI... is not that the processes underlying intelligence can be described symbolically... but that they are symbolic. (Haugeland, 1985, p. 113)14) Artificial Intelligence Provides a Useful Approach to Psychological and Psychiatric Theory FormationIt is all very well formulating psychological and psychiatric theories verbally but, when using natural language (even technical jargon), it is difficult to recognise when a theory is complete; oversights are all too easily made, gaps too readily left. This is a point which is generally recognised to be true and it is for precisely this reason that the behavioural sciences attempt to follow the natural sciences in using "classical" mathematics as a more rigorous descriptive language. However, it is an unfortunate fact that, with a few notable exceptions, there has been a marked lack of success in this application. It is my belief that a different approach-a different mathematics-is needed, and that AI provides just this approach. (Hand, quoted in Hand, 1985, pp. 6-7)We might distinguish among four kinds of AI.Research of this kind involves building and programming computers to perform tasks which, to paraphrase Marvin Minsky, would require intelligence if they were done by us. Researchers in nonpsychological AI make no claims whatsoever about the psychological realism of their programs or the devices they build, that is, about whether or not computers perform tasks as humans do.Research here is guided by the view that the computer is a useful tool in the study of mind. In particular, we can write computer programs or build devices that simulate alleged psychological processes in humans and then test our predictions about how the alleged processes work. We can weave these programs and devices together with other programs and devices that simulate different alleged mental processes and thereby test the degree to which the AI system as a whole simulates human mentality. According to weak psychological AI, working with computer models is a way of refining and testing hypotheses about processes that are allegedly realized in human minds.... According to this view, our minds are computers and therefore can be duplicated by other computers. Sherry Turkle writes that the "real ambition is of mythic proportions, making a general purpose intelligence, a mind." (Turkle, 1984, p. 240) The authors of a major text announce that "the ultimate goal of AI research is to build a person or, more humbly, an animal." (Charniak & McDermott, 1985, p. 7)Research in this field, like strong psychological AI, takes seriously the functionalist view that mentality can be realized in many different types of physical devices. Suprapsychological AI, however, accuses strong psychological AI of being chauvinisticof being only interested in human intelligence! Suprapsychological AI claims to be interested in all the conceivable ways intelligence can be realized. (Flanagan, 1991, pp. 241-242)16) Determination of Relevance of Rules in Particular ContextsEven if the [rules] were stored in a context-free form the computer still couldn't use them. To do that the computer requires rules enabling it to draw on just those [ rules] which are relevant in each particular context. Determination of relevance will have to be based on further facts and rules, but the question will again arise as to which facts and rules are relevant for making each particular determination. One could always invoke further facts and rules to answer this question, but of course these must be only the relevant ones. And so it goes. It seems that AI workers will never be able to get started here unless they can settle the problem of relevance beforehand by cataloguing types of context and listing just those facts which are relevant in each. (Dreyfus & Dreyfus, 1986, p. 80)Perhaps the single most important idea to artificial intelligence is that there is no fundamental difference between form and content, that meaning can be captured in a set of symbols such as a semantic net. (G. Johnson, 1986, p. 250)Artificial intelligence is based on the assumption that the mind can be described as some kind of formal system manipulating symbols that stand for things in the world. Thus it doesn't matter what the brain is made of, or what it uses for tokens in the great game of thinking. Using an equivalent set of tokens and rules, we can do thinking with a digital computer, just as we can play chess using cups, salt and pepper shakers, knives, forks, and spoons. Using the right software, one system (the mind) can be mapped into the other (the computer). (G. Johnson, 1986, p. 250)19) A Statement of the Primary and Secondary Purposes of Artificial IntelligenceThe primary goal of Artificial Intelligence is to make machines smarter.The secondary goals of Artificial Intelligence are to understand what intelligence is (the Nobel laureate purpose) and to make machines more useful (the entrepreneurial purpose). (Winston, 1987, p. 1)The theoretical ideas of older branches of engineering are captured in the language of mathematics. We contend that mathematical logic provides the basis for theory in AI. Although many computer scientists already count logic as fundamental to computer science in general, we put forward an even stronger form of the logic-is-important argument....AI deals mainly with the problem of representing and using declarative (as opposed to procedural) knowledge. Declarative knowledge is the kind that is expressed as sentences, and AI needs a language in which to state these sentences. Because the languages in which this knowledge usually is originally captured (natural languages such as English) are not suitable for computer representations, some other language with the appropriate properties must be used. It turns out, we think, that the appropriate properties include at least those that have been uppermost in the minds of logicians in their development of logical languages such as the predicate calculus. Thus, we think that any language for expressing knowledge in AI systems must be at least as expressive as the first-order predicate calculus. (Genesereth & Nilsson, 1987, p. viii)21) Perceptual Structures Can Be Represented as Lists of Elementary PropositionsIn artificial intelligence studies, perceptual structures are represented as assemblages of description lists, the elementary components of which are propositions asserting that certain relations hold among elements. (Chase & Simon, 1988, p. 490)Artificial intelligence (AI) is sometimes defined as the study of how to build and/or program computers to enable them to do the sorts of things that minds can do. Some of these things are commonly regarded as requiring intelligence: offering a medical diagnosis and/or prescription, giving legal or scientific advice, proving theorems in logic or mathematics. Others are not, because they can be done by all normal adults irrespective of educational background (and sometimes by non-human animals too), and typically involve no conscious control: seeing things in sunlight and shadows, finding a path through cluttered terrain, fitting pegs into holes, speaking one's own native tongue, and using one's common sense. Because it covers AI research dealing with both these classes of mental capacity, this definition is preferable to one describing AI as making computers do "things that would require intelligence if done by people." However, it presupposes that computers could do what minds can do, that they might really diagnose, advise, infer, and understand. One could avoid this problematic assumption (and also side-step questions about whether computers do things in the same way as we do) by defining AI instead as "the development of computers whose observable performance has features which in humans we would attribute to mental processes." This bland characterization would be acceptable to some AI workers, especially amongst those focusing on the production of technological tools for commercial purposes. But many others would favour a more controversial definition, seeing AI as the science of intelligence in general-or, more accurately, as the intellectual core of cognitive science. As such, its goal is to provide a systematic theory that can explain (and perhaps enable us to replicate) both the general categories of intentionality and the diverse psychological capacities grounded in them. (Boden, 1990b, pp. 1-2)Because the ability to store data somewhat corresponds to what we call memory in human beings, and because the ability to follow logical procedures somewhat corresponds to what we call reasoning in human beings, many members of the cult have concluded that what computers do somewhat corresponds to what we call thinking. It is no great difficulty to persuade the general public of that conclusion since computers process data very fast in small spaces well below the level of visibility; they do not look like other machines when they are at work. They seem to be running along as smoothly and silently as the brain does when it remembers and reasons and thinks. On the other hand, those who design and build computers know exactly how the machines are working down in the hidden depths of their semiconductors. Computers can be taken apart, scrutinized, and put back together. Their activities can be tracked, analyzed, measured, and thus clearly understood-which is far from possible with the brain. This gives rise to the tempting assumption on the part of the builders and designers that computers can tell us something about brains, indeed, that the computer can serve as a model of the mind, which then comes to be seen as some manner of information processing machine, and possibly not as good at the job as the machine. (Roszak, 1994, pp. xiv-xv)The inner workings of the human mind are far more intricate than the most complicated systems of modern technology. Researchers in the field of artificial intelligence have been attempting to develop programs that will enable computers to display intelligent behavior. Although this field has been an active one for more than thirty-five years and has had many notable successes, AI researchers still do not know how to create a program that matches human intelligence. No existing program can recall facts, solve problems, reason, learn, and process language with human facility. This lack of success has occurred not because computers are inferior to human brains but rather because we do not yet know in sufficient detail how intelligence is organized in the brain. (Anderson, 1995, p. 2)Historical dictionary of quotations in cognitive science > Artificial Intelligence
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