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Theorem wel2-wl 33865
Description: Redefine in a set context to avoid syntax check errors in mmj2. It is no syntactic error to assign the same variable to 𝑥 and 𝑦. (Contributed by Wolf Lammen, 27-Nov-2021.)
Ref Expression
wel2-wl wff 𝑥𝑦

Proof of Theorem wel2-wl
StepHypRef Expression
1 wcel2-wl 33864 1 wff 𝑥𝑦
Colors of variables: wff setvar class
Syntax hints:  wcel2-wl 33864
This theorem is referenced by: (None)
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