Step
*
of Lemma
comb_for_rev_implies_wf
λA,B,z. (A 
⇐ B) ∈ A:ℙ ⟶ B:ℙ ⟶ (↓True) ⟶ ℙ
BY
{ (ProveOpCombinatorTyping Auto{1,3}-1) `rev_implies_wf` }
Latex:
Latex:
\mlambda{}A,B,z.  (A  \mLeftarrow{}{}  B)  \mmember{}  A:\mBbbP{}  {}\mrightarrow{}  B:\mBbbP{}  {}\mrightarrow{}  (\mdownarrow{}True)  {}\mrightarrow{}  \mBbbP{}
By
Latex:
(ProveOpCombinatorTyping  Auto\{1,3\}-1)  `rev\_implies\_wf`
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