Step * 2 of Lemma existse-between3-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-between3` THEN (InstConcl [⌈e2⌉])⋅ THEN Auto) }


Latex:



1.  es  :  EO@i'
2.  e1  :  E@i
3.  e2  :  \{e:E|  loc(e)  =  loc(e1)\}  @i
4.  (e1  <loc  e2)@i
\mvdash{}  \mexists{}e\mmember{}(e1,e2].True


By

(Unfold  `existse-between3`  0  THEN  (InstConcl  [\mkleeneopen{}e2\mkleeneclose{}])\mcdot{}  THEN  Auto)




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