Step
*
2
1
2
of Lemma
es-interface-predecessors-general-step
1. Info : Type
2. es : EO+(Info)
3. X : EClass(Top)
4. e : E
5. ¬↑e ∈b prior(X)
⊢ filter(λe.e ∈b X;before(e)) = [] ∈ (E(X) List)
BY
{ (RWO "filter_is_nil" 0 THEN Auto) }
1
1. Info : Type
2. es : EO+(Info)
3. X : EClass(Top)
4. e : E
5. ¬↑e ∈b prior(X)
⊢ (∀x∈before(e).¬↑((λe.e ∈b X) x))
Latex:
Latex:
1. Info : Type
2. es : EO+(Info)
3. X : EClass(Top)
4. e : E
5. \mneg{}\muparrow{}e \mmember{}\msubb{} prior(X)
\mvdash{} filter(\mlambda{}e.e \mmember{}\msubb{} X;before(e)) = []
By
Latex:
(RWO "filter\_is\_nil" 0 THEN Auto)
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