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Step * of Lemma fps-deriv_wf

∀[X:Type]. ∀[eq:EqDecider(X)]. ∀[r:CRng]. ∀[f:PowerSeries(X;r)]. ∀[x:X].  (df/dx ∈ PowerSeries(X;r))
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[X:Type].  \mforall{}[eq:EqDecider(X)].  \mforall{}[r:CRng].  \mforall{}[f:PowerSeries(X;r)].  \mforall{}[x:X].    (df/dx  \mmember{}  PowerSeries(X;r))


By

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Latex:
ProveWfLemma

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