Step
*
of Lemma
equalf_from_lef_wf
∀[y:Type]. ∀[lef:y ─→ y ─→ 𝔹]. ∀[x,y:y]. (equalf_from_lef(lef;x;y) ∈ 𝔹)
BY
{ ProveWfLemma }
Latex:
\mforall{}[y:Type]. \mforall{}[lef:y {}\mrightarrow{} y {}\mrightarrow{} \mBbbB{}]. \mforall{}[x,y:y]. (equalf\_from\_lef(lef;x;y) \mmember{} \mBbbB{})
By
ProveWfLemma
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