Step
*
2
2
1
1
of Lemma
iseg-es-hist
1. Info : Type
2. es : EO+(Info)@i'
3. e1 : E@i
4. WellFnd{i}(E;x,y.(x <loc y))
5. j : E@i
6. L : Info List@i
7. loc(e1) = loc(j) ∈ Id
8. ¬(L = [] ∈ (Info List))
9. L ≤ [info(j)]
10. e1 = j ∈ E
⊢ L = [info(j)] ∈ (Info List)
BY
{ (((Thin (-1)) THEN (Subst ⌈[info(j)] ~ [] @ [info(j)]⌉ (-1))⋅)
THENL [(Reduce 0 THEN Trivial); ((RWO "iseg_append_single" (-1)) THENA Auto)]
) }
1
1. Info : Type
2. es : EO+(Info)@i'
3. e1 : E@i
4. WellFnd{i}(E;x,y.(x <loc y))
5. j : E@i
6. L : Info List@i
7. loc(e1) = loc(j) ∈ Id
8. ¬(L = [] ∈ (Info List))
9. L ≤ [] ∨ (L = ([] @ [info(j)]) ∈ (Info List))
⊢ L = [info(j)] ∈ (Info List)
Latex:
1. Info : Type
2. es : EO+(Info)@i'
3. e1 : E@i
4. WellFnd\{i\}(E;x,y.(x <loc y))
5. j : E@i
6. L : Info List@i
7. loc(e1) = loc(j)
8. \mneg{}(L = [])
9. L \mleq{} [info(j)]
10. e1 = j
\mvdash{} L = [info(j)]
By
(((Thin (-1)) THEN (Subst \mkleeneopen{}[info(j)] \msim{} [] @ [info(j)]\mkleeneclose{} (-1))\mcdot{})
THENL [(Reduce 0 THEN Trivial); ((RWO "iseg\_append\_single" (-1)) THENA Auto)]
)
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