Step
*
3
of Lemma
length-rev-append
1. bs : Base
2. as : Base
3. x : Base@i
⊢ ||x|| ~ 0 + ||x||
BY
{ (ListIndSq `x' THEN ∀h:hyp. ImpossibleException h THEN RWO "add-associates<" 0 THEN Auto) }
Latex:
Latex:
1. bs : Base
2. as : Base
3. x : Base@i
\mvdash{} ||x|| \msim{} 0 + ||x||
By
Latex:
(ListIndSq `x' THEN \mforall{}h:hyp. ImpossibleException h THEN RWO "add-associates<" 0 THEN Auto)
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