Philosophy Lexicon of Arguments

Non-existence, philosophy: non-existence is not simply expressible for the classical predicate logic which attributes properties through quantification in the form of (Ex)(Fx) "There is at least one x, with the property F" (in short "There is at least one F"), since existence is not a property. The form "There is at least one x that does not exist" is contradictory. See also existence predicate, "There is", existence, unicorn example, pegasus example, round square, proof of God's existence.
Author Item Excerpt Meta data

Books on Amazon
III 21
natural laws/ Non-existent: E.g. "nothing is faster than light": Armstrong: uninstantiated natural law - VsRegularity th.: no "empty" law (derived from paradox of implication) - LewisVsArmstrong: universal statement, which also includes the negation - natural law / Armstrong: also applies to non-existent (regularity th. Vs)
III ~ 163
Non-existent: E.g. fictional grammars can be stronger / more complex: then they are relations! - Vs: better assume counterfactual conditionals - problem: what is the truth-maker? - Conceptual truth, which is more complex - problem: laws are no "conceptual truths".

AR II = Disp
D. M. Armstrong

Dispositions, Tim Crane, London New York 1996

D. Armstrong
What is a Law of Nature? Cambridge 1983

> Counter arguments against Armstrong

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Ed. Martin Schulz, access date 2017-05-27