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Theorem wel-wl 33863
Description: Redefine in a set context to avoid syntax check errors in mmj2. 𝑥 and 𝑦 must be distinct. (Contributed by Wolf Lammen, 27-Nov-2021.)
Ref Expression
wel-wl wff 𝑥𝑦

Proof of Theorem wel-wl
StepHypRef Expression
1 wcel-wl 33862 1 wff 𝑥𝑦
Colors of variables: wff setvar class
Syntax hints:  wcel-wl 33862
This theorem is referenced by: (None)
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