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Step * of Lemma matrix-det_wf

∀[r:Rng]. ∀[n:ℕ]. ∀[M:Matrix(n;n;r)].  (|M| ∈ |r|)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[r:Rng].  \mforall{}[n:\mBbbN{}].  \mforall{}[M:Matrix(n;n;r)].    (|M|  \mmember{}  |r|)


By

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Latex:
ProveWfLemma

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