Step
*
of Lemma
eo-forward-alle-lt
∀Info:Type. ∀es:EO+(Info). ∀b:E. ∀e:{e:E| b ≤loc e } .
∀[P:{e':E| b ≤loc e' ∧ (e' <loc e)} ─→ ℙ]. (∀e'<e.P[e']
⇐⇒ ∀e':E. (b ≤loc e'
⇒ (e' <loc e)
⇒ P[e']))
BY
{ (Unfold `alle-lt` 0 THEN Auto THEN RWW "eo-forward-locl" (-1) THEN Auto) }
Latex:
\mforall{}Info:Type. \mforall{}es:EO+(Info). \mforall{}b:E. \mforall{}e:\{e:E| b \mleq{}loc e \} .
\mforall{}[P:\{e':E| b \mleq{}loc e' \mwedge{} (e' <loc e)\} {}\mrightarrow{} \mBbbP{}]
(\mforall{}e'<e.P[e'] \mLeftarrow{}{}\mRightarrow{} \mforall{}e':E. (b \mleq{}loc e' {}\mRightarrow{} (e' <loc e) {}\mRightarrow{} P[e']))
By
(Unfold `alle-lt` 0 THEN Auto THEN RWW "eo-forward-locl" (-1) THEN Auto)
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