Step
*
1
1
2
2
of Lemma
es-interface-sum-le-interface
.....falsecase.....
1. Info : Type
2. es : EO+(Info)
3. X : EClass(ℤ)
4. e : E
5. ↑e ∈b le(X)
6. ¬↑e ∈b X
7. ¬↑e ∈b X
8. ¬↑e ∈b prior(X)
⊢ 0 = Σ≤prior(X)(e)(X) ∈ ℤ
BY
{ (((RWO "es-is-le-interface-iff" (-4)) THENM D -4) THEN Auto) }
Latex:
Latex:
.....falsecase.....
1. Info : Type
2. es : EO+(Info)
3. X : EClass(\mBbbZ{})
4. e : E
5. \muparrow{}e \mmember{}\msubb{} le(X)
6. \mneg{}\muparrow{}e \mmember{}\msubb{} X
7. \mneg{}\muparrow{}e \mmember{}\msubb{} X
8. \mneg{}\muparrow{}e \mmember{}\msubb{} prior(X)
\mvdash{} 0 = \mSigma{}\mleq{}prior(X)(e)(X)
By
Latex:
(((RWO "es-is-le-interface-iff" (-4)) THENM D -4) THEN Auto)
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