Step
*
of Lemma
concat-lifting-loc-1_wf
∀[B,A:Type]. ∀[f:Id ─→ A ─→ bag(B)].  (f@ ∈ Id ─→ bag(A) ─→ bag(B))
BY
{ ProveWfLemma }
Latex:
Latex:
\mforall{}[B,A:Type].  \mforall{}[f:Id  {}\mrightarrow{}  A  {}\mrightarrow{}  bag(B)].    (f@  \mmember{}  Id  {}\mrightarrow{}  bag(A)  {}\mrightarrow{}  bag(B))
By
Latex:
ProveWfLemma
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