Step
*
1
1
1
1
1
2
of Lemma
Legendre-rpolynomial
1. n : ℕ
2. ¬(n = 0 ∈ ℤ)
3. ¬(n = 1 ∈ ℤ)
4. a : ℕn - 1 ⟶ ℝ
5. b : ℕn ⟶ ℝ
6. x : ℝ
7. r(n) ≠ r0
8. (Σi≤n. λi.if (i =z 0) then (1 - n * a i)/n
if i <z n - 1 then ((2 * n) - 1 * b (i - 1))/n - (n - 1 * a i)/n
else ((2 * n) - 1 * b (i - 1))/n
fi _i * x^i) ∈ ℝ
⊢ x = x
BY
{ Auto }
Latex:
Latex:
1. n : \mBbbN{}
2. \mneg{}(n = 0)
3. \mneg{}(n = 1)
4. a : \mBbbN{}n - 1 {}\mrightarrow{} \mBbbR{}
5. b : \mBbbN{}n {}\mrightarrow{} \mBbbR{}
6. x : \mBbbR{}
7. r(n) \mneq{} r0
8. (\mSigma{}i\mleq{}n. \mlambda{}i.if (i =\msubz{} 0) then (1 - n * a i)/n
if i <z n - 1 then ((2 * n) - 1 * b (i - 1))/n - (n - 1 * a i)/n
else ((2 * n) - 1 * b (i - 1))/n
fi \_i * x\^{}i) \mmember{} \mBbbR{}
\mvdash{} x = x
By
Latex:
Auto
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