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Syntax Definition w-bnj13 30009
Description: Extend wff notation with the following predicate: 𝑅 is set-like on 𝐴. (New usage is discouraged.)
Ref Expression
cA class 𝐴
cR class 𝑅
Ref Expression
w-bnj13 wff 𝑅 Se 𝐴

See definition df-bnj13 30010 for more information.

Colors of variables: wff setvar class
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