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Step * of Lemma rsin_functionality

∀[x,y:ℝ].  rsin(x) = rsin(y) supposing x = y
BY
{ (Auto THEN RWW "rsin-is-sine -1" 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[x,y:\mBbbR{}].    rsin(x)  =  rsin(y)  supposing  x  =  y


By

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Latex:
(Auto  THEN  RWW  "rsin-is-sine  -1"  0  THEN  Auto)

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