Step
*
1
2
1
1
of Lemma
hd-es-interval
.....assertion.....
1. es : EO
2. e : E
3. e' : E
4. e ≤loc e'
5. i : ℕ
6. i < ||[e, e']|| c∧ (e = [e, e'][i] ∈ E)
7. ¬(i = 0 ∈ ℤ)
⊢ [e, e'][0] before [e, e'][i] ∈ [e, e']
BY
{ (AddHiddenLabel `main` THEN (ExRepD THEN BLemma `l_before_select` THEN Auto)⋅) }
Latex:
.....assertion.....
1. es : EO
2. e : E
3. e' : E
4. e \mleq{}loc e'
5. i : \mBbbN{}
6. i < ||[e, e']|| c\mwedge{} (e = [e, e'][i])
7. \mneg{}(i = 0)
\mvdash{} [e, e'][0] before [e, e'][i] \mmember{} [e, e']
By
(AddHiddenLabel `main` THEN (ExRepD THEN BLemma `l\_before\_select` THEN Auto)\mcdot{})
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