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Step * of Lemma rv-norm_wf

∀[rv:InnerProductSpace]. ∀[x:Point].  (||x|| ∈ {r:ℝ| (r0 ≤ r) ∧ ((r * r) = x^2)} )
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[rv:InnerProductSpace].  \mforall{}[x:Point].    (||x||  \mmember{}  \{r:\mBbbR{}|  (r0  \mleq{}  r)  \mwedge{}  ((r  *  r)  =  x\^{}2)\}  )


By

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Latex:
ProveWfLemma

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