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Syntax Definition cif 3662
Description: Extend class notation to include the conditional operator. See df-if 3663 for a description. (In older databases this was denoted "ded".)
Hypotheses
Ref Expression
wph wff φ
cA class A
cB class B
Assertion
Ref Expression
cif class if(φ, A, B)

See definition df-if 3663 for more information.

Colors of variables: wff set class
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