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ZF (ZERMELO-FRAENKEL) SET THEORY
ZF Set Theory - start with the Axiom of Extensionality
Restricted quantification
Restricted universal and existential quantification
wral

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Syntax definition wral

Description: Extend wff notation to include restricted universal quantification.

		Ref	Expression
	Assertion	wral	$wff \forall x \in A φ$