Axiom:Axiom of Empty Set/Set Theory/Formulation 1

From ProofWiki
Jump to navigation Jump to search

Axiom

In the context of axiomatic set theory, the axiom of the empty set is as follows:


There exists a set that has no elements:

$\exists x: \forall y: \paren {\neg \paren {y \in x} }$


Also see


Sources