propositional function

See synonyms for propositional function on Thesaurus.com

nounLogic.

sentential function.

Origin of propositional function

First recorded in 1900–05

Words Nearby propositional function

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

How to use propositional function in a sentence

A propositional function (that is to say a definition) does not always determine a class.
The Foundations of Science: Science and Hypothesis, The Value of Science, Science and Method | Henri Poincar
(β) A propositional function is necessary when all its values are true.
Mysticism and Logic and Other Essays | Bertrand Russell
Call it a propositional function; and, if φx be a propositional function, the undetermined variable x is the argument.
Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 7 | Various
Now consider a propositional function Fχ in which the variable argument χ is itself a propositional function.
Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 7 | Various
A 'propositional function' or 'norm' may be 'non-predicative.'
The Foundations of Science: Science and Hypothesis, The Value of Science, Science and Method | Henri Poincar

British Dictionary definitions for propositional function

propositional function

noun

another name for open sentence

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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