Step
*
of Lemma
set-eq_wf
∀[s,s':coSet{i:l}]. (set-eq(s;s') ∈ ℙ)
BY
{ (ProveWfLemma
THEN GenConcl ⌜νR.λs,s'. ((∀i:set-dom(s). ∃j:set-dom(s'). (R set-item(s;i) set-item(s';j)))
∧ (∀j:set-dom(s'). ∃i:set-dom(s). (R set-item(s;i) set-item(s';j))))
= P
∈ (coSet{i:l} ⟶ coSet{i:l} ⟶ ℙ)⌝⋅
THEN Auto) }
Latex:
Latex:
\mforall{}[s,s':coSet\{i:l\}]. (set-eq(s;s') \mmember{} \mBbbP{})
By
Latex:
(ProveWfLemma
THEN GenConcl \mkleeneopen{}\mnu{}R.\mlambda{}s,s'. ((\mforall{}i:set-dom(s). \mexists{}j:set-dom(s'). (R set-item(s;i) set-item(s';j)))
\mwedge{} (\mforall{}j:set-dom(s'). \mexists{}i:set-dom(s). (R set-item(s;i) set-item(s';j))))
= P\mkleeneclose{}\mcdot{}
THEN Auto)
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