Step
*
1
2
of Lemma
es-prior-interface-val-pred
.....falsecase.....
1. Info : Type
2. es : EO+(Info)
3. X : EClass(Top)
4. e : E
5. ↑e ∈b prior(X)
6. (¬↑first(e)) ∧ ((↑pred(e) ∈b X) ∨ (↑pred(e) ∈b prior(X)))
7. ¬↑pred(e) ∈b X
⊢ prior(X)(e) = prior(X)(pred(e)) ∈ E
BY
{ ((Auto THEN D -2) THEN Auto) }
1
1. Info : Type
2. es : EO+(Info)
3. X : EClass(Top)
4. e : E
5. ↑e ∈b prior(X)
6. ¬↑first(e)
7. ↑pred(e) ∈b prior(X)
8. ¬↑pred(e) ∈b X
⊢ prior(X)(e) = prior(X)(pred(e)) ∈ E
Latex:
Latex:
.....falsecase.....
1. Info : Type
2. es : EO+(Info)
3. X : EClass(Top)
4. e : E
5. \muparrow{}e \mmember{}\msubb{} prior(X)
6. (\mneg{}\muparrow{}first(e)) \mwedge{} ((\muparrow{}pred(e) \mmember{}\msubb{} X) \mvee{} (\muparrow{}pred(e) \mmember{}\msubb{} prior(X)))
7. \mneg{}\muparrow{}pred(e) \mmember{}\msubb{} X
\mvdash{} prior(X)(e) = prior(X)(pred(e))
By
Latex:
((Auto THEN D -2) THEN Auto)
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