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Syntax Definition weldisj 35607
Description: Extend the definition of a wff to include the disjoint elementhood predicate, i.e., the disjoint elementhood relation predicate. (Read: the elements of 𝐴 are disjoint.)
Ref Expression
cA class 𝐴
Ref Expression
weldisj wff ElDisj 𝐴

See definition df-eldisj 36058 for more information.

Colors of variables: wff setvar class
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