Step
*
1
1
of Lemma
eo-forward-le-before
1. Info : Type
2. es : EO+(Info)
3. e : E
4. b : E
5. b ≤loc e
⊢ (before(e) @ [e]) = (filter(λa.b ≤loc a;before(e)) @ filter(λa.b ≤loc a;[e])) ∈ (E List)
BY
{ ((Reduce 0 THEN AutoSplit) THEN EqCD THEN Auto) }
Latex:
1. Info : Type
2. es : EO+(Info)
3. e : E
4. b : E
5. b \mleq{}loc e
\mvdash{} (before(e) @ [e]) = (filter(\mlambda{}a.b \mleq{}loc a;before(e)) @ filter(\mlambda{}a.b \mleq{}loc a;[e]))
By
((Reduce 0 THEN AutoSplit) THEN EqCD THEN Auto)
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