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Syntax Definition wf1o 5803
Description: Extend the definition of a wff to include one-to-one onto functions. (Read: 𝐹 maps 𝐴 one-to-one onto 𝐵.) The notation ("1-1" above the arrow and "onto" below the arrow) is from Definition 6.15(6) of [TakeutiZaring] p. 27.
Ref Expression
cA class 𝐴
cB class 𝐵
cF class 𝐹
Ref Expression
wf1o wff 𝐹:𝐴1-1-onto𝐵

See definition df-f1o 5811 for more information.

Colors of variables: wff setvar class
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