Step
*
of Lemma
eq_atom_wf
∀[x,y:Atom].  (x =a y ∈ 𝔹)
BY
{ ProveWfLemma }
Latex:
Latex:
\mforall{}[x,y:Atom].    (x  =a  y  \mmember{}  \mBbbB{})
By
Latex:
ProveWfLemma
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