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Step * of Lemma matrix-mul-col_wf

∀[n,m:ℤ]. ∀[r:RngSig]. ∀[k:|r|]. ∀[i:ℕm]. ∀[M:Matrix(n;m;r)].  (matrix-mul-col(r;k;i;M) ∈ Matrix(n;m;r))
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[n,m:\mBbbZ{}].  \mforall{}[r:RngSig].  \mforall{}[k:|r|].  \mforall{}[i:\mBbbN{}m].  \mforall{}[M:Matrix(n;m;r)].
    (matrix-mul-col(r;k;i;M)  \mmember{}  Matrix(n;m;r))


By

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Latex:
ProveWfLemma

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