invalid inference

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• Inference — is the act or process of deriving a conclusion based solely on what one already knows. Inference is studied within several different fields. * Human inference (i.e. how humans draw conclusions) is traditionally studied within the field of… …   Wikipedia

• inference — n. 1) to draw, make an inference from 2) an invalid; valid inference 3) an inference that + clause (we made the inference that she had been wrongly accused) * * * [ ɪnf(ə)rəns] make an inference from valid inference an invalid to draw an… …   Combinatory dictionary

• List of rules of inference — This is a list of rules of inference, logical laws that relate to mathematical formulae.IntroductionRules of inference are syntactical transformation rules which one can use to infer a conclusion from a premise to create an argument. A set of… …   Wikipedia

• formal logic — the branch of logic concerned exclusively with the principles of deductive reasoning and with the form rather than the content of propositions. [1855 60] * * * Introduction       the abstract study of propositions, statements, or assertively used …   Universalium

• Falsifiability — Are all swans white? Falsifiability or refutability of an assertion, hypothesis or theory is the logical possibility that it can be contradicted by an observation or the outcome of a physical experiment. That something is falsifiable does not… …   Wikipedia

• thought — thought1 /thawt/, n. 1. the product of mental activity; that which one thinks: a body of thought. 2. a single act or product of thinking; idea or notion: to collect one s thoughts. 3. the act or process of thinking; mental activity: Thought as… …   Universalium

• fallacy — noun (plural cies) Etymology: Latin fallacia, from fallac , fallax deceitful, from fallere to deceive Date: 14th century 1. a. obsolete guile, trickery b. deceptive appearance ; deception 2 …   New Collegiate Dictionary

• Nathan Salmon — Nathan Ucuzoglu Salmon Full name Nathan Ucuzoglu Salmon Born January 2, 1951 Los Angeles, California Era 20th century 21st century Region Western Philosophy School Analytic philosophy …   Wikipedia

• fallacy, formal and informal — In philosophy, reasoning that fails to establish its conclusion because of deficiencies in form or wording. Formal fallacies are types of deductive argument that instantiate an invalid inference pattern (see deduction; validity); an example is… …   Universalium

• Argument — This article is about the subject as it is studied in logic and philosophy. For other uses, see Argument (disambiguation). In philosophy and logic, an argument is an attempt to persuade someone of something, by giving reasons or evidence for… …   Wikipedia

• Nyaya — Part of a series on Hindu philosophy …   Wikipedia