Step
*
of Lemma
rprod-single
∀[n:ℤ]. ∀[x:{n..n + 1-} ⟶ ℝ]. (rprod(n;n;k.x[k]) = x[n])
BY
{ (Auto THEN RepeatFor 2 ((Unfold `rprod` 0 THEN AutoSplit))) }
Latex:
Latex:
\mforall{}[n:\mBbbZ{}]. \mforall{}[x:\{n..n + 1\msupminus{}\} {}\mrightarrow{} \mBbbR{}]. (rprod(n;n;k.x[k]) = x[n])
By
Latex:
(Auto THEN RepeatFor 2 ((Unfold `rprod` 0 THEN AutoSplit)))
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