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Step * 2 of Lemma sinh-rleq


1. x : {x:ℝ| x ∈ (-∞, ∞)} 
⊢ r0 ≤ cosh(x)
BY
{ (RWO  "cosh-ge-1<" 0 THEN Auto) }

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Latex:

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Latex:

1.  x  :  \{x:\mBbbR{}|  x  \mmember{}  (-\minfty{},  \minfty{})\} 
\mvdash{}  r0  \mleq{}  cosh(x)


By

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Latex:
(RWO    "cosh-ge-1<"  0  THEN  Auto)

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