Step
*
of Lemma
set-part_wf
∀[s:coSet{i:l}]. (set-part(s) ∈ Set{i:l})
BY
{ (Auto
THEN coSetD 1
THEN D 1
THEN RepUR ``set-part sub-set`` 0
THEN Fold `Wsup` 0
THEN Fold `mk-set` 0
THEN RepeatFor 2 (MemCD)
THEN Try ((D -1 THEN Reduce 0 THEN BLemma `coSet-is-Set` THEN Auto))
THEN Auto) }
Latex:
Latex:
\mforall{}[s:coSet\{i:l\}]. (set-part(s) \mmember{} Set\{i:l\})
By
Latex:
(Auto
THEN coSetD 1
THEN D 1
THEN RepUR ``set-part sub-set`` 0
THEN Fold `Wsup` 0
THEN Fold `mk-set` 0
THEN RepeatFor 2 (MemCD)
THEN Try ((D -1 THEN Reduce 0 THEN BLemma `coSet-is-Set` THEN Auto))
THEN Auto)
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