Step
*
1
1
3
of Lemma
rcos-positive-initially
.....antecedent.....
1. x : {x:ℝ| x ∈ [r0, (r(1570796326)/r(1000000000))]}
2. ∀x:{x:ℝ| x ∈ (r(-1), r1)} . (r0 < rcos(x))
3. ∀x:{x:ℝ| x ∈ ((r(41)/r(70)), (r(179)/r(70)))} . (r0 < rsin(x))
4. (r(9)/r(10)) < x
⊢ -(rsin(x)) continuous for x ∈ ((r(41)/r(70)), (r(179)/r(70)))
BY
{ (BLemma `function-is-continuous` THEN Auto) }
Latex:
Latex:
.....antecedent.....
1. x : \{x:\mBbbR{}| x \mmember{} [r0, (r(1570796326)/r(1000000000))]\}
2. \mforall{}x:\{x:\mBbbR{}| x \mmember{} (r(-1), r1)\} . (r0 < rcos(x))
3. \mforall{}x:\{x:\mBbbR{}| x \mmember{} ((r(41)/r(70)), (r(179)/r(70)))\} . (r0 < rsin(x))
4. (r(9)/r(10)) < x
\mvdash{} -(rsin(x)) continuous for x \mmember{} ((r(41)/r(70)), (r(179)/r(70)))
By
Latex:
(BLemma `function-is-continuous` THEN Auto)
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