Step
*
of Lemma
C-comb_wf
∀[A,B,C:Type].  (C-comb() ∈ (A ⟶ B ⟶ C) ⟶ B ⟶ A ⟶ C)
BY
{ ProveWfLemma }
Latex:
Latex:
\mforall{}[A,B,C:Type].    (C-comb()  \mmember{}  (A  {}\mrightarrow{}  B  {}\mrightarrow{}  C)  {}\mrightarrow{}  B  {}\mrightarrow{}  A  {}\mrightarrow{}  C)
By
Latex:
ProveWfLemma
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