Step
*
1
2
1
of Lemma
function-is-continuous
.....wf.....
1. I : Interval
2. f : I ⟶ℝ
3. ∀x,y:{t:ℝ| t ∈ I} . ((x = y)
⇒ (f[x] = f[y]))
4. m : {m:ℕ+| icompact(i-approx(I;m))}
5. n : ℕ+
⊢ m ∈ {m@0:ℕ+| icompact(i-approx(i-approx(I;m);m@0))}
BY
{ (RWO "i-approx-approx" 0 THEN Auto) }
Latex:
Latex:
.....wf.....
1. I : Interval
2. f : I {}\mrightarrow{}\mBbbR{}
3. \mforall{}x,y:\{t:\mBbbR{}| t \mmember{} I\} . ((x = y) {}\mRightarrow{} (f[x] = f[y]))
4. m : \{m:\mBbbN{}\msupplus{}| icompact(i-approx(I;m))\}
5. n : \mBbbN{}\msupplus{}
\mvdash{} m \mmember{} \{m@0:\mBbbN{}\msupplus{}| icompact(i-approx(i-approx(I;m);m@0))\}
By
Latex:
(RWO "i-approx-approx" 0 THEN Auto)
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