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Step * of Lemma ratreal-ratadd

∀[a,b:ℤ × ℕ+].  (ratreal(ratadd(a;b)) = (ratreal(a) + ratreal(b)))
BY
{ (Intros THEN (Unhide THENA Auto) THEN GenConclTerm ⌜ratadd(a;b)⌝⋅ THEN Auto) }

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Latex:

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Latex:
\mforall{}[a,b:\mBbbZ{}  \mtimes{}  \mBbbN{}\msupplus{}].    (ratreal(ratadd(a;b))  =  (ratreal(a)  +  ratreal(b)))


By

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Latex:
(Intros  THEN  (Unhide  THENA  Auto)  THEN  GenConclTerm  \mkleeneopen{}ratadd(a;b)\mkleeneclose{}\mcdot{}  THEN  Auto)

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