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ZF (ZERMELO-FRAENKEL) SET THEORY
ZF Set Theory - add the Axiom of Union
Infinite Cartesian products
cixp
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df-ixp
Metamath Proof Explorer
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Structured
Syntax definition
cixp
Description:
Extend class notation to include infinite Cartesian products.
Ref
Expression
Assertion
cixp
class X_ x e. A B