Step
*
of Lemma
extd-nameset_subtype
∀[L,L':Cname List]. extd-nameset(L) ⊆r extd-nameset(L') supposing l_subset(Cname;L;L')
BY
{ (Auto THEN Unfold `extd-nameset` 0 THEN SubtypeReasoning1 THEN Auto) }
Latex:
Latex:
\mforall{}[L,L':Cname List]. extd-nameset(L) \msubseteq{}r extd-nameset(L') supposing l\_subset(Cname;L;L')
By
Latex:
(Auto THEN Unfold `extd-nameset` 0 THEN SubtypeReasoning1 THEN Auto)
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