Step
*
of Lemma
Riemann-integral-rmul-const
∀[a:ℝ]. ∀[b:{b:ℝ| a ≤ b} ]. ∀[f:{f:[a, b] ⟶ℝ| ifun(f;[a, b])} ]. ∀[c:ℝ].
(∫ c * f[x] dx on [a, b] = (c * ∫ f[x] dx on [a, b]))
BY
{ (RepUR ``so_apply`` 0 THEN Auto) }
1
1. a : ℝ
2. b : {b:ℝ| a ≤ b}
3. f : {f:[a, b] ⟶ℝ| ifun(f;[a, b])}
4. c : ℝ
⊢ ∫ c * (f x) dx on [a, b] = (c * ∫ f x dx on [a, b])
Latex:
Latex:
\mforall{}[a:\mBbbR{}]. \mforall{}[b:\{b:\mBbbR{}| a \mleq{} b\} ]. \mforall{}[f:\{f:[a, b] {}\mrightarrow{}\mBbbR{}| ifun(f;[a, b])\} ]. \mforall{}[c:\mBbbR{}].
(\mint{} c * f[x] dx on [a, b] = (c * \mint{} f[x] dx on [a, b]))
By
Latex:
(RepUR ``so\_apply`` 0 THEN Auto)
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