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1 תנאי הכרחי ומספיק
necessary and sufficient condition
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Necessary and sufficient condition — This article is about the formal terminology in logic. For causal meanings of the terms, see Causality. In logic, the words necessity and sufficiency refer to the implicational relationships between statements. The assertion that one statement is … Wikipedia
necessary and sufficient condition — condition that without which nothing will happen and upon whose fulfillment there is no need for any other conditions (Logic) … English contemporary dictionary
necessary and sufficient conditions — See condition, necessary/sufficient … Philosophy dictionary
Necessary — may refer to: Something that is a required condition for something else to be the case, see necessary and sufficient condition. A necessary truth, something that cannot fail to be true, see logical possibility. An important task or essential… … Wikipedia
Condition — or Conditions may refer to: Contents 1 Logic 2 Computer programming 3 Other 4 See also Logic Logical conditional … Wikipedia
condition — conditionable, adj. /keuhn dish euhn/, n. 1. a particular mode of being of a person or thing; existing state; situation with respect to circumstances. 2. state of health: He was reported to be in critical condition. 3. fit or requisite state: to… … Universalium
condition — noun 1 state of sth ADJECTIVE ▪ excellent, good, immaculate, mint, perfect, pristine ▪ reasonable ▪ bad … Collocations dictionary
If and only if — Iff redirects here. For other uses, see IFF (disambiguation). ↔ ⇔ ≡ Logical symbols representing iff. In logic and related fields such as mathematics and philosophy, if and only if (shortened iff) is a biconditional logical connective between… … Wikipedia
Condition — • That which is necessary or at least conducive to the actual operation of a cause Catholic Encyclopedia. Kevin Knight. 2006. Condition Condition … Catholic encyclopedia
G 1/05 and G 1/06 — are decisions of the Enlarged Board of Appeal (EBA) of the European Patent Office (EPO) that were issued on 28 June 2007 and answer questions relating to divisional applications under the European Patent Convention (EPC). Background Article 76(1) … Wikipedia
condition, necessary/sufficient — If p is a necessary condition of q, then q cannot be true unless p is true. If p is a sufficient condition of q, then given that p is true, q is so as well. Thus steering well is a necessary condition of driving well, but it is not sufficient,… … Philosophy dictionary