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Step * of Lemma vs-ac_1

∀[K:RngSig]. ∀[vs:VectorSpace(K)]. ∀[x,y,z:Point(vs)].  (x + y + z = y + x + z ∈ Point(vs))
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Latex:

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Latex:
\mforall{}[K:RngSig].  \mforall{}[vs:VectorSpace(K)].  \mforall{}[x,y,z:Point(vs)].    (x  +  y  +  z  =  y  +  x  +  z)


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Latex:
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