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Wittgenstein's Notes on Logic$
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Wittgenstein's Notes on Logic

Michael Potter

Print publication date: 2008

Print ISBN-13: 9780199215836

Published to Oxford Scholarship Online: January 2009

DOI: 10.1093/acprof:oso/9780199215836.001.0001

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Truth-functions

Truth-functions

Chapter:
(p.158) Chapter 17 Truth-functions
Source:
Wittgenstein's Notes on Logic
Author(s):

Michael Potter (Contributor Webpage)

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199215836.003.0017

A truth-function is any function taking a finite list of truth-values as arguments and producing a truth-value as its result. In the Notes, Wittgenstein chose to call them ‘ab-functions’. This chapter describes the notations Wittgenstein used at various times for describing a truth-function. Since the eventual aim will be to discuss the relationship between a logical connective and the corresponding truth-function, it will be sensible to distinguish notationally between the two.

Keywords:   Wittgenstein, ab-functions, truth-tables, truth-diagrams

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