Step
*
2
of Lemma
es-interface-history-iseg
1. [Info] : Type
2. es : EO+(Info)@i'
3. [A] : Type
4. X : EClass(A List)@i'
5. WellFnd{i}(E;x,y.(x <loc y))
6. j : E@i
7. ∀k:E. ((k <loc j)
⇒ (∀e:E. (e ≤loc k
⇒ es-interface-history(es;X;e) ≤ es-interface-history(es;X;k))))@i
8. e : E@i
9. e ≤loc j @i
10. ¬↑first(j)
⊢ es-interface-history(es;X;e) ≤ es-interface-history(es;X;j)
BY
{ D -2 }
1
1. [Info] : Type
2. es : EO+(Info)@i'
3. [A] : Type
4. X : EClass(A List)@i'
5. WellFnd{i}(E;x,y.(x <loc y))
6. j : E@i
7. ∀k:E. ((k <loc j)
⇒ (∀e:E. (e ≤loc k
⇒ es-interface-history(es;X;e) ≤ es-interface-history(es;X;k))))@i
8. e : E@i
9. (e <loc j)@i
10. ¬↑first(j)
⊢ es-interface-history(es;X;e) ≤ es-interface-history(es;X;j)
2
1. [Info] : Type
2. es : EO+(Info)@i'
3. [A] : Type
4. X : EClass(A List)@i'
5. WellFnd{i}(E;x,y.(x <loc y))
6. j : E@i
7. ∀k:E. ((k <loc j)
⇒ (∀e:E. (e ≤loc k
⇒ es-interface-history(es;X;e) ≤ es-interface-history(es;X;k))))@i
8. e : E@i
9. e = j ∈ E@i
10. ¬↑first(j)
⊢ es-interface-history(es;X;e) ≤ es-interface-history(es;X;j)
Latex:
Latex:
1. [Info] : Type
2. es : EO+(Info)@i'
3. [A] : Type
4. X : EClass(A List)@i'
5. WellFnd\{i\}(E;x,y.(x <loc y))
6. j : E@i
7. \mforall{}k:E
((k <loc j)
{}\mRightarrow{} (\mforall{}e:E. (e \mleq{}loc k {}\mRightarrow{} es-interface-history(es;X;e) \mleq{} es-interface-history(es;X;k))))@i
8. e : E@i
9. e \mleq{}loc j @i
10. \mneg{}\muparrow{}first(j)
\mvdash{} es-interface-history(es;X;e) \mleq{} es-interface-history(es;X;j)
By
Latex:
D -2
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