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Step * of Lemma ip-triangle_wf

∀[rv:InnerProductSpace]. ∀[a,b,c:Point].  (Δ(a;b;c) ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[rv:InnerProductSpace].  \mforall{}[a,b,c:Point].    (\mDelta{}(a;b;c)  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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