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Step * of Lemma rv-ip-zero-iff

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∀[rv:InnerProductSpace]. ∀[x:Point(rv)].  uiff(x^2 = r0;x ≡ 0)
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1
1. rv : InnerProductSpace
2. x : Point(rv)
3. x^2 = r0
⊢ x ≡ 0

2
1. rv : InnerProductSpace
2. x : Point(rv)
3. x ≡ 0
⊢ x^2 = r0

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Latex:

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Latex:
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\mforall{}[rv:InnerProductSpace].  \mforall{}[x:Point(rv)].    uiff(x\^{}2  =  r0;x  \mequiv{}  0)


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Latex:
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