I 145
Lukasiewicz: ">

Philosophy Dictionary of Arguments

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Possibility, philosophy: something is possible if it cannot be excluded. This has to be distinguished from the concept of contingency that expresses that something could have been different.
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Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments.

 
Author Concept Summary/Quotes Sources

Alfred Tarski on Possibility - Dictionary of Arguments

Berka I 144
Def possibility/Tarski: Mp = CNPP - "it is possible that p" means as much as "if not-p, then p".
I 145
Lukasiewicz: "CNPP" is only true if
M0 = 0 ,
M1/2 = 1
M1 = 1
according to the trivalent matrix.(1)
>Multi-valued logic.


1. J. Lukasiewicz, Philosophische Bemerkungen zu mehrwertigen Systemen des Aussagenkalküls, CR Varsovie Cl. III, 23, 51-77


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Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution. Translations: Dictionary of Arguments
The note [Concept/Author], [Author1]Vs[Author2] or [Author]Vs[term] resp. "problem:"/"solution:", "old:"/"new:" and "thesis:" is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition.

Tarski I
A. Tarski
Logic, Semantics, Metamathematics: Papers from 1923-38 Indianapolis 1983

Berka I
Karel Berka
Lothar Kreiser
Logik Texte Berlin 1983


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Ed. Martin Schulz, access date 2024-04-19
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