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Syntax Definition wf1 5498
Description: Extend the definition of a wff to include one-to-one functions. (Read: maps one-to-one into .) The notation ("1-1" above the arrow) is from Definition 6.15(5) of [TakeutiZaring] p. 27.
Hypotheses
Ref Expression
cA
cB
cF
Assertion
Ref Expression
wf1

See definition df-f1 5506 for more information.

Colors of variables: wff set class
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