Step
*
of Lemma
last_cons
∀[T:Type]. ∀[L:T List]. ∀[x:T]. last([x / L]) = last(L) ∈ T supposing ¬↑null(L)
BY
{ (((Auto THEN RWO "last_cons2" 0) THENA Auto) THEN AutoSplit) }
Latex:
Latex:
\mforall{}[T:Type]. \mforall{}[L:T List]. \mforall{}[x:T]. last([x / L]) = last(L) supposing \mneg{}\muparrow{}null(L)
By
Latex:
(((Auto THEN RWO "last\_cons2" 0) THENA Auto) THEN AutoSplit)
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