Step
*
of Lemma
sub-mset_wf
∀[T:Type]. ∀[L1,L2:T List].  (sub-mset(T; L1; L2) ∈ ℙ)
BY
{ ProveWfLemma }
Latex:
Latex:
\mforall{}[T:Type].  \mforall{}[L1,L2:T  List].    (sub-mset(T;  L1;  L2)  \mmember{}  \mBbbP{})
By
Latex:
ProveWfLemma
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