Step
*
1
of Lemma
member-es-le-before3
1. es : EO@i'
2. e : E@i
3. e' : {e':E| e' ≤loc e } @i
4. i : ℕ@i
5. i < ||≤loc(e)||@i
6. e' = ≤loc(e)[i] ∈ {e':E| e' ≤loc e } @i
⊢ e' = ≤loc(e)[i] ∈ E
BY
{ (EqTypeHD (-1) THEN Auto) }
Latex:
1. es : EO@i'
2. e : E@i
3. e' : \{e':E| e' \mleq{}loc e \} @i
4. i : \mBbbN{}@i
5. i < ||\mleq{}loc(e)||@i
6. e' = \mleq{}loc(e)[i]@i
\mvdash{} e' = \mleq{}loc(e)[i]
By
(EqTypeHD (-1) THEN Auto)
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