Nuprl Lemma : cosine-small_wf

[x:{x:ℝ|x| ≤ (r1/r(2))} ]. (cosine-small(x) ∈ {y:ℝcosine(x)} )


Proof

Error : references

Latex:
\mforall{}[x:\{x:\mBbbR{}|  |x|  \mleq{}  (r1/r(2))\}  ].  (cosine-small(x)  \mmember{}  \{y:\mBbbR{}|  y  =  cosine(x)\}  )



Date html generated: 2020_05_21-AM-10_27_36
Last ObjectModification: 2019_02_02-PM-00_43_17

Theory : reals


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