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Syntax Definition cixp 7950
Description: Extend class notation to include infinite Cartesian products.
Ref Expression
vx setvar 𝑥
cA class 𝐴
cB class 𝐵
Ref Expression
cixp class X𝑥𝐴 𝐵

See definition df-ixp 7951 for more information.

Colors of variables: wff setvar class
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