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Step * of Lemma rneq-cosh

∀x,y:ℝ.  (cosh(x) ≠ cosh(y) ⇒ x ≠ y)
BY
{ (InstLemma `rneq-function` [⌜λ2x.cosh(x)⌝]⋅ THEN Auto) }

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Latex:

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Latex:
\mforall{}x,y:\mBbbR{}.    (cosh(x)  \mneq{}  cosh(y)  {}\mRightarrow{}  x  \mneq{}  y)


By

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Latex:
(InstLemma  `rneq-function`  [\mkleeneopen{}\mlambda{}\msubtwo{}x.cosh(x)\mkleeneclose{}]\mcdot{}  THEN  Auto)

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