deducible rule

См. также в других словарях:

• Rule of inference — In logic, a rule of inference (also called a transformation rule) is a function from sets of formulae to formulae. The argument is called the premise set (or simply premises ) and the value the conclusion . They can also be viewed as relations… …   Wikipedia

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• Deduction theorem — In mathematical logic, the deduction theorem is a metatheorem of first order logic.[1] It is a formalization of the common proof technique in which an implication A → B is proved by assuming A and then proving B from this assumption.… …   Wikipedia

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• Faith — • In the Old Testament, the Hebrew word means essentially steadfastness. As signifying man s attitude towards God it means trustfulness or fiducia Catholic Encyclopedia. Kevin Knight. 2006. Faith     Faith …   Catholic encyclopedia

• 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

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