@misc{Lexicon of Arguments,
title = {Quotation from: Lexicon of Arguments – Concepts - Ed. Martin Schulz, 29 Mar 2024},
author = {Cresswell,Maxwell J.},
subject = {Truth Functions},
note = {Hughes I 24
Truth function/Hughes/Cresswell: only four different truth functions (tr.f.) of p:
1) Negation
2) p itself
3) true, no matter whether if p itself is true or false
4) wrong, no matter whether p itself is true or false.
Hughes I 44
Truth-function/Hughes/Cresswell: each well formed formula (wff) of the propositional calculus is a truth function of its variables. - ((s) That is, it can be found in the truth table).
Modal function: any well-formed formula (wff) containing a modal operator, is a modal function of its variables.
>Truth tables, >Propositional calculus.},
note = { Cr I M. J. Cresswell Semantical Essays (Possible worlds and their rivals) Dordrecht Boston 1988 Cr II M. J. Cresswell Structured Meanings Cambridge Mass. 1984
Hughes I G.E. Hughes Maxwell J. Cresswell Einführung in die Modallogik Berlin New York 1978 },
file = {http://philosophy-science-humanities-controversies.com/listview-details.php?id=282622}
url = {http://philosophy-science-humanities-controversies.com/listview-details.php?id=282622}
}