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Step * 1 1 1 of Lemma period-rsin-is-2pi


1. a : ℝ
2. r0 < a
3. ∀x:ℝ. (rsin(x + a) = rsin(x))
⊢ rsin(π/2(slower)) = r1
BY
{ Auto }

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Latex:

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Latex:

1.  a  :  \mBbbR{}
2.  r0  <  a
3.  \mforall{}x:\mBbbR{}.  (rsin(x  +  a)  =  rsin(x))
\mvdash{}  rsin(\mpi{}/2(slower))  =  r1


By

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Latex:
Auto

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