Step
*
2
1
2
1
of Lemma
es-is-prior-interface-pred
1. [Info] : Type
2. es : EO+(Info)@i'
3. X : EClass(Top)@i'
4. e : E@i
5. ¬↑first(e)
6. ¬↑first(e)@i
7. ↑pred(e) ∈b X@i
⊢ ∃e':E. ((e' <loc e) ∧ (↑e' ∈b X))
BY
{ ((InstConcl [⌈pred(e)⌉])⋅ THEN Auto) }
Latex:
Latex:
1. [Info] : Type
2. es : EO+(Info)@i'
3. X : EClass(Top)@i'
4. e : E@i
5. \mneg{}\muparrow{}first(e)
6. \mneg{}\muparrow{}first(e)@i
7. \muparrow{}pred(e) \mmember{}\msubb{} X@i
\mvdash{} \mexists{}e':E. ((e' <loc e) \mwedge{} (\muparrow{}e' \mmember{}\msubb{} X))
By
Latex:
((InstConcl [\mkleeneopen{}pred(e)\mkleeneclose{}])\mcdot{} THEN Auto)
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