Step
*
1
1
1
of Lemma
rpolynomial-rmul
1. [n] : ℕ
2. [a] : ℕn + 1 ⟶ ℝ
3. [x] : ℝ
4. [b] : ℝ
5. (b * (Σi≤n. a_i * x^i)) = (Σi≤n. λi.(b * (a i))_i * x^i)
6. (b * (Σi≤n. a_i * x^i)) = ((Σi≤n. a_i * x^i) * b)
7. (Σi≤n. λi.(b * (a i))_i * x^i) = (Σi≤n. λi.((a i) * b)_i * x^i)
⊢ ((Σi≤n. a_i * x^i) * b) = (Σi≤n. λi.((a i) * b)_i * x^i)
BY
{ Auto }
Latex:
Latex:
1. [n] : \mBbbN{}
2. [a] : \mBbbN{}n + 1 {}\mrightarrow{} \mBbbR{}
3. [x] : \mBbbR{}
4. [b] : \mBbbR{}
5. (b * (\mSigma{}i\mleq{}n. a\_i * x\^{}i)) = (\mSigma{}i\mleq{}n. \mlambda{}i.(b * (a i))\_i * x\^{}i)
6. (b * (\mSigma{}i\mleq{}n. a\_i * x\^{}i)) = ((\mSigma{}i\mleq{}n. a\_i * x\^{}i) * b)
7. (\mSigma{}i\mleq{}n. \mlambda{}i.(b * (a i))\_i * x\^{}i) = (\mSigma{}i\mleq{}n. \mlambda{}i.((a i) * b)\_i * x\^{}i)
\mvdash{} ((\mSigma{}i\mleq{}n. a\_i * x\^{}i) * b) = (\mSigma{}i\mleq{}n. \mlambda{}i.((a i) * b)\_i * x\^{}i)
By
Latex:
Auto
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