@misc{Lexicon of Arguments,
title = {Quotation from: Lexicon of Arguments – Concepts - Ed. Martin Schulz, 29 Mar 2024},
author = {Prior,Arthur N.},
subject = {Sets},
note = {I 61
Class/set/Prior: the statement that something is a member of a class is only seemingly a sentence about classes.
>Element relation.
In reality it is nothing more and nothing less than to say that "x φ-s".
The appearance of the existence of "x" and of the existence of classes disappears.
>Existence, >Ontology, >Classes.
Clases are only logical construtions - only then the identity of unicorns and Pegasi is harmless (via the empty set).
Logical constructions are no entities: all classes are logical constructions.
>Logic, Cf. >Constructivism.},
note = { Pri I A. Prior Objects of thought Oxford 1971 Pri II Arthur N. Prior Papers on Time and Tense 2nd Edition Oxford 2003
},
file = {http://philosophy-science-humanities-controversies.com/listview-details.php?id=246707}
url = {http://philosophy-science-humanities-controversies.com/listview-details.php?id=246707}
}