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Theorem wel-wl 33374
Description: Redefine  e. in a set context to avoid syntax check errors in mmj2.  x and  y must be distinct. (Contributed by Wolf Lammen, 27-Nov-2021.)
Assertion
Ref Expression
wel-wl  wff  x  e.  y

Proof of Theorem wel-wl
StepHypRef Expression
1 wcel-wl 33373 1  wff  x  e.  y
Colors of variables: wff setvar class
Syntax hints:    e. wcel-wl 33373
This theorem is referenced by: (None)
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