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Step * 1 of Lemma rsin_wf1


1. x : ℝ
2. rsin(x) ∈ {y:ℝ| y = sine(x)} 
⊢ rsin(x) ∈ {y:ℝ| sine(x) = y} 
BY
{ Auto }

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Latex:

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Latex:

1.  x  :  \mBbbR{}
2.  rsin(x)  \mmember{}  \{y:\mBbbR{}|  y  =  sine(x)\} 
\mvdash{}  rsin(x)  \mmember{}  \{y:\mBbbR{}|  sine(x)  =  y\} 


By

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Latex:
Auto

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