# formal logic

*formal logic*on Thesaurus.com

the branch of logic concerned exclusively with the principles of deductive reasoning and with the form rather than the content of propositions.

## Origin of formal logic

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## Words Nearby formal logic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

## How to use formal logic in a sentence

Pinker’s main focus is the sort of conscious, sequential reasoning that can track the steps in a geometric proof or an argument in

*formal logic*.The power of rational thinking in a world that seems unreasonable | Nick Romeo | October 8, 2021 | Washington PostIt’s no small achievement to make

*formal logic*, game theory, statistics and Bayesian reasoning delightful topics full of charm and relevance.The power of rational thinking in a world that seems unreasonable | Nick Romeo | October 8, 2021 | Washington PostEven though Aristotle invented

*formal logic*, he apparently did not notice a certain amount of circularity in his argument.Errors of Antisthenes — depended partly on the imperfect

*formal logic*of that day.The answer of

*formal logic*(adopted moreover by Kant and followed in some way by all neo-Kantian logics) is unambiguous.Essays in Experimental Logic | John Dewey

But it is inconceivable that the generality of men should pass all their mental life with Greek accents or with

*formal logic*.Discourses in America | Matthew ArnoldThe scholastic education of this time laid special stress on

*formal logic*and metaphysics.The New Gresham Encyclopedia | Various*formal logic*teaches that our intellect must keep all things apart, but does not teach that it must also connect them.The Positive Outcome of Philosophy | Joseph Dietzgen

## British Dictionary definitions for formal logic

Also called: symbolic logic the study of systems of deductive argument in which symbols are used to represent precisely defined categories of expressions: Compare philosophical logic

a specific formal system that can be interpreted as representing a fragment of natural argument

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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