Step
*
of Lemma
adjacent-nil
∀[T:Type]. ∀[x,y:T]. False supposing adjacent(T;[];x;y)
BY
{ ((Unfold `adjacent` 0 THEN Auto) THEN Reduce (-1) THEN ExRepD THEN Auto) }
Latex:
Latex:
\mforall{}[T:Type]. \mforall{}[x,y:T]. False supposing adjacent(T;[];x;y)
By
Latex:
((Unfold `adjacent` 0 THEN Auto) THEN Reduce (-1) THEN ExRepD THEN Auto)
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