Syntax Definition wse 4251

Description: Extend wff notation to include the set-like predicate. Read: ' 𝑅 is set-like on 𝐴.'

Hypotheses

Ref	Expression
cA	class 𝐴
cR	class 𝑅

Assertion

Ref	Expression
wse	wff 𝑅 Se 𝐴

See definition df-se 4255 for more information.