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Syntax Definition c-bnj18 32078
Description: Extend class notation with the function giving: the transitive closure of 𝑋 in 𝐴 by 𝑅. (New usage is discouraged.)
Ref Expression
cA class 𝐴
cR class 𝑅
cX class 𝑋
Ref Expression
c-bnj18 class trCl(𝑋, 𝐴, 𝑅)

See definition df-bnj18 32079 for more information.

Colors of variables: wff setvar class
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