Step
*
1
1
of Lemma
causal-pred-wellfounded
1. es : EO@i'
2. p : E ─→ (E + Top)@i
3. causal-predecessor(es;p)@i
⊢ ∀x,y:E. (((↑can-apply(p;y)) c∧ (x = do-apply(p;y) ∈ E))
⇒ (x < y))
BY
{ Unfold `causal-predecessor` -1 }
1
1. es : EO@i'
2. p : E ─→ (E + Top)@i
3. ∀e:E. ((↑can-apply(p;e))
⇒ (do-apply(p;e) < e))@i
⊢ ∀x,y:E. (((↑can-apply(p;y)) c∧ (x = do-apply(p;y) ∈ E))
⇒ (x < y))
Latex:
1. es : EO@i'
2. p : E {}\mrightarrow{} (E + Top)@i
3. causal-predecessor(es;p)@i
\mvdash{} \mforall{}x,y:E. (((\muparrow{}can-apply(p;y)) c\mwedge{} (x = do-apply(p;y))) {}\mRightarrow{} (x < y))
By
Unfold `causal-predecessor` -1
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