Step
*
2
of Lemma
existse-between2-true
1. es : EO@i'
2. e1 : E@i
3. e2 : {e:E| loc(e) = loc(e1) ∈ Id} @i
4. e1 ≤loc e2 @i
⊢ ∃e∈[e1,e2].True
BY
{ (Unfold `existse-between2` 0 THEN (InstConcl [⌜e1⌝])⋅ THEN Auto) }
Latex:
Latex:
1. es : EO@i'
2. e1 : E@i
3. e2 : \{e:E| loc(e) = loc(e1)\} @i
4. e1 \mleq{}loc e2 @i
\mvdash{} \mexists{}e\mmember{}[e1,e2].True
By
Latex:
(Unfold `existse-between2` 0 THEN (InstConcl [\mkleeneopen{}e1\mkleeneclose{}])\mcdot{} THEN Auto)
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