Step
*
1
2
of Lemma
derivative-function-radd-const
1. f : ℝ ⟶ ℝ
2. f' : ℝ ⟶ ℝ
3. ∀x,y:ℝ. ((x = y)
⇒ (f'[x] = f'[y]))
4. d(f[x])/dx = λx.f'[x] on (-∞, ∞)
5. y : ℝ
6. d(x + y)/dx = λx.r1 + r0 on (-∞, ∞)
⊢ d(x + y)/dx = λx.r1 on (-∞, ∞)
BY
{ ((DerivativeFunctionality (-1) THEN Auto) THEN nRNorm 0 THEN Auto) }
Latex:
Latex:
1. f : \mBbbR{} {}\mrightarrow{} \mBbbR{}
2. f' : \mBbbR{} {}\mrightarrow{} \mBbbR{}
3. \mforall{}x,y:\mBbbR{}. ((x = y) {}\mRightarrow{} (f'[x] = f'[y]))
4. d(f[x])/dx = \mlambda{}x.f'[x] on (-\minfty{}, \minfty{})
5. y : \mBbbR{}
6. d(x + y)/dx = \mlambda{}x.r1 + r0 on (-\minfty{}, \minfty{})
\mvdash{} d(x + y)/dx = \mlambda{}x.r1 on (-\minfty{}, \minfty{})
By
Latex:
((DerivativeFunctionality (-1) THEN Auto) THEN nRNorm 0 THEN Auto)
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