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  2. Premise - Wikipedia

    en.wikipedia.org/wiki/Premise

    Aristotle held that any logical argument could be reduced to two premises and a conclusion. [2] Premises are sometimes left unstated, in which case, they are called missing premises, for example: Socrates is mortal because all men are mortal. It is evident that a tacitly understood claim is that Socrates is a man. The fully expressed reasoning ...

  3. Glossary of logic - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_logic

    [1] [2] abduction A form of reasoning characterized by drawing a conclusion based on the best available explanation for a set of premises. Often used in hypothesis formation. Abelian logic A type of relevance logic that rejects contraction and accepts that ((A → B) → B) → A. [3] [4] [5] absorption

  4. List of fallacies - Wikipedia

    en.wikipedia.org/wiki/List_of_fallacies

    Referential fallacy [45] – assuming that all words refer to existing things and that the meaning of words reside within the things they refer to, as opposed to words possibly referring to no real object (e.g.: Pegasus) or that the meaning comes from how they are used (e.g.: "nobody" was in the room).

  5. Premise (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Premise_(disambiguation)

    Premise is a claim that is a reason for, or an objection against, some other claim as part of an argument.. Premise (from the Latin praemissa [propositio], meaning "placed in front") may also refer to:

  6. Logic - Wikipedia

    en.wikipedia.org/wiki/Logic

    Logic studies arguments, which consist of a set of premises that leads to a conclusion. An example is the argument from the premises "it's Sunday" and "if it's Sunday then I don't have to work" leading to the conclusion "I don't have to work". [1] Premises and conclusions express propositions or claims that can be true or false. An important ...

  7. Term logic - Wikipedia

    en.wikipedia.org/wiki/Term_logic

    The formal model of proposition consists of two terms, one of which, the "predicate", is "affirmed" or "denied" of the other, the "subject", and which is capable of truth or falsity. The syllogism is an inference in which one proposition (the "conclusion") follows of necessity from two other propositions (the "premises").

  8. Premises - Wikipedia

    en.wikipedia.org/wiki/Premises

    Premises are land and buildings together considered as a property. This usage arose from property owners finding the word in their title deeds , where it originally correctly meant "the aforementioned; what this document is about", from Latin prae-missus = "placed before".

  9. Modus ponens - Wikipedia

    en.wikipedia.org/wiki/Modus_ponens

    The form of a modus ponens argument is a mixed hypothetical syllogism, with two premises and a conclusion: If P, then Q. P. Therefore, Q. The first premise is a conditional ("if–then") claim, namely that P implies Q. The second premise is an assertion that P, the antecedent of the conditional claim, is the case.