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Syntax Definition cixp 8643
Description: Extend class notation to include infinite Cartesian products.
Hypotheses
Ref Expression
vx setvar 𝑥
cA class 𝐴
cB class 𝐵
Assertion
Ref Expression
cixp class X𝑥 ∈ 𝐴 𝐵
See definition df-ixp 8644 for more information.
Colors of variables: wff setvar class
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