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Step * of Lemma qadd_ident

∀[r:ℚ]. ((0 + r) = r ∈ ℚ)
BY
{ (Auto THEN QArith) }

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Latex:

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Latex:
\mforall{}[r:\mBbbQ{}].  ((0  +  r)  =  r)


By

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Latex:
(Auto  THEN  QArith)

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