Step
*
of Lemma
eo-forward-first2
∀[Info:Type]. ∀[eo:EO+(Info)]. ∀[e:E]. ∀[e':{e':E| e' ≤loc e } ]. {uiff(↑first(e);e = e' ∈ E)}
BY
{ (Unfold `guard` 0 THEN (Auto THEN Try (Complete (Auto)))) }
1
1. Info : Type
2. eo : EO+(Info)
3. e : E
4. e' : {e':E| e' ≤loc e }
5. ↑first(e)
⊢ e = e' ∈ E
2
1. Info : Type
2. eo : EO+(Info)
3. e : E
4. e' : {e':E| e' ≤loc e }
5. e = e' ∈ E
⊢ ↑first(e)
Latex:
\mforall{}[Info:Type]. \mforall{}[eo:EO+(Info)]. \mforall{}[e:E]. \mforall{}[e':\{e':E| e' \mleq{}loc e \} ]. \{uiff(\muparrow{}first(e);e = e')\}
By
(Unfold `guard` 0 THEN (Auto THEN Try (Complete (Auto))))
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