Step
*
of Lemma
es-cut-at-property
∀[Info:Type]
∀es:EO+(Info). ∀X:EClass(Top). ∀f:sys-antecedent(es;X). ∀c:Cut(X;f). ∀i:Id.
((∀e:E(X). ((e ∈ c(i))
⇐⇒ (loc(e) = i ∈ Id) ∧ e ∈ c))
∧ (∀e,e':E(X). (e before e' ∈ c(i)
⇐⇒ (e <loc e') ∧ (e' ∈ c(i)))))
BY
{ ((UnivCD THENA Auto)
THEN (Assert c ∈ fset(E) BY
(DVar `c' THEN Auto)⋅)
THEN ((InstLemma `es-fset-at-property` [⌈es⌉;⌈i⌉;⌈c⌉]⋅ THENA Auto)
THEN Fold `es-cut-at` (-1)
THEN RepeatFor 2 (D -1))⋅) }
1
1. [Info] : Type
2. es : EO+(Info)@i'
3. X : EClass(Top)@i'
4. f : sys-antecedent(es;X)@i
5. c : Cut(X;f)@i
6. i : Id@i
7. c ∈ fset(E)
8. ∀e:E. (e ∈ c ∧ (loc(e) = i ∈ Id)
⇐⇒ (e ∈ c(i)))
9. no_repeats(E;c(i))
10. sorted-by(λe,e'. e ≤loc e' ;c(i))
⊢ (∀e:E(X). ((e ∈ c(i))
⇐⇒ (loc(e) = i ∈ Id) ∧ e ∈ c))
∧ (∀e,e':E(X). (e before e' ∈ c(i)
⇐⇒ (e <loc e') ∧ (e' ∈ c(i))))
Latex:
Latex:
\mforall{}[Info:Type]
\mforall{}es:EO+(Info). \mforall{}X:EClass(Top). \mforall{}f:sys-antecedent(es;X). \mforall{}c:Cut(X;f). \mforall{}i:Id.
((\mforall{}e:E(X). ((e \mmember{} c(i)) \mLeftarrow{}{}\mRightarrow{} (loc(e) = i) \mwedge{} e \mmember{} c))
\mwedge{} (\mforall{}e,e':E(X). (e before e' \mmember{} c(i) \mLeftarrow{}{}\mRightarrow{} (e <loc e') \mwedge{} (e' \mmember{} c(i)))))
By
Latex:
((UnivCD THENA Auto)
THEN (Assert c \mmember{} fset(E) BY
(DVar `c' THEN Auto)\mcdot{})
THEN ((InstLemma `es-fset-at-property` [\mkleeneopen{}es\mkleeneclose{};\mkleeneopen{}i\mkleeneclose{};\mkleeneopen{}c\mkleeneclose{}]\mcdot{} THENA Auto)
THEN Fold `es-cut-at` (-1)
THEN RepeatFor 2 (D -1))\mcdot{})
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