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Syntax Definition cptdfc 37685
Description: PtDf is a predicate that is crucial for the definition of lines as well as proving a number of important theorems.
Hypotheses
Ref Expression
cA class 𝐴
cB class 𝐵
Assertion
Ref Expression
cptdfc class PtDf(𝐴, 𝐵)

See definition df-ptdf 37701 for more information.

Colors of variables: wff setvar class
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