Step
*
2
of Lemma
co-regext-loopset
1. ∀t:coW(Unit;x.Unit). (regextfun(λp.loopset();t) ∈ coSet{i:l})
⊢ seteq(co-regext(loopset());loopset())
BY
{ Assert ⌜∀t:coW(Unit;x.Unit). (regextfun(λp.loopset();t) = loopset() ∈ coSet{i:l})⌝⋅ }
1
.....assertion.....
1. ∀t:coW(Unit;x.Unit). (regextfun(λp.loopset();t) ∈ coSet{i:l})
⊢ ∀t:coW(Unit;x.Unit). (regextfun(λp.loopset();t) = loopset() ∈ coSet{i:l})
2
1. ∀t:coW(Unit;x.Unit). (regextfun(λp.loopset();t) ∈ coSet{i:l})
2. ∀t:coW(Unit;x.Unit). (regextfun(λp.loopset();t) = loopset() ∈ coSet{i:l})
⊢ seteq(co-regext(loopset());loopset())
Latex:
Latex:
1. \mforall{}t:coW(Unit;x.Unit). (regextfun(\mlambda{}p.loopset();t) \mmember{} coSet\{i:l\})
\mvdash{} seteq(co-regext(loopset());loopset())
By
Latex:
Assert \mkleeneopen{}\mforall{}t:coW(Unit;x.Unit). (regextfun(\mlambda{}p.loopset();t) = loopset())\mkleeneclose{}\mcdot{}
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