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Syntax Definition ctrpred 23590
Description: Define the transitive predecessor class as a class.
Hypotheses
Ref Expression
cA  class  A
cR  class  R
cX  class  X
Assertion
Ref Expression
ctrpred  class  TrPred ( R ,  A ,  X
)

See definition df-trpred 23591 for more information.

Colors of variables: wff set class
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