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Step * of Lemma concave-on_wf

∀[I:Interval]. ∀[f:I ⟶ℝ].  (concave-on(I;x.f[x]) ∈ ℙ)
BY
{ (ProveWfLemma THEN MemTypeCD THEN Auto THEN BLemma `i-member-convex` THEN Auto) }

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Latex:

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Latex:
\mforall{}[I:Interval].  \mforall{}[f:I  {}\mrightarrow{}\mBbbR{}].    (concave-on(I;x.f[x])  \mmember{}  \mBbbP{})


By

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Latex:
(ProveWfLemma  THEN  MemTypeCD  THEN  Auto  THEN  BLemma  `i-member-convex`  THEN  Auto)

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