formal logic
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
1Words 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 | Variousformal 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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