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Step * 1 2 1 1 of Lemma qrng_wf


IsMonoid(ℚ;λx,y. (x + y);0)
BY
{ (InstLemma `imon_properties` [⌜<ℚ+>⌝]⋅ THEN Auto) }

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Latex:

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Latex:

IsMonoid(\mBbbQ{};\mlambda{}x,y.  (x  +  y);0)


By

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Latex:
(InstLemma  `imon\_properties`  [\mkleeneopen{}<\mBbbQ{}+>\mkleeneclose{}]\mcdot{}  THEN  Auto)

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