Step
*
1
2
of Lemma
Cauchy-Schwarz1
1. n : ℕ
2. x : ℕn + 1 ⟶ ℝ
3. y : ℕn + 1 ⟶ ℝ
4. (r(2) * Σ{x[i] * y[i] | 0≤i≤n} * Σ{x[i] * y[i] | 0≤i≤n}) ≤ ((Σ{x[i] * x[i] | 0≤i≤n} * Σ{y[i] * y[i] | 0≤i≤n})
+ (Σ{y[i] * y[i] | 0≤i≤n} * Σ{x[i] * x[i] | 0≤i≤n}))
⊢ ((r(2) * Σ{x[i] * y[i] | 0≤i≤n}) * Σ{x[i] * y[i] | 0≤i≤n}) ≤ ((r(2) * Σ{x[i] * x[i] | 0≤i≤n})
* Σ{y[i] * y[i] | 0≤i≤n})
BY
{ (MoveToConcl (-1) THEN nRNorm 0 THEN Auto) }
Latex:
Latex:
1. n : \mBbbN{}
2. x : \mBbbN{}n + 1 {}\mrightarrow{} \mBbbR{}
3. y : \mBbbN{}n + 1 {}\mrightarrow{} \mBbbR{}
4. (r(2) * \mSigma{}\{x[i] * y[i] | 0\mleq{}i\mleq{}n\} * \mSigma{}\{x[i] * y[i] | 0\mleq{}i\mleq{}n\}) \mleq{} ((\mSigma{}\{x[i] * x[i] | 0\mleq{}i\mleq{}n\}
* \mSigma{}\{y[i] * y[i] | 0\mleq{}i\mleq{}n\})
+ (\mSigma{}\{y[i] * y[i] | 0\mleq{}i\mleq{}n\} * \mSigma{}\{x[i] * x[i] | 0\mleq{}i\mleq{}n\}))
\mvdash{} ((r(2) * \mSigma{}\{x[i] * y[i] | 0\mleq{}i\mleq{}n\}) * \mSigma{}\{x[i] * y[i] | 0\mleq{}i\mleq{}n\}) \mleq{} ((r(2) * \mSigma{}\{x[i] * x[i] | 0\mleq{}i\mleq{}n\})
* \mSigma{}\{y[i] * y[i] | 0\mleq{}i\mleq{}n\})
By
Latex:
(MoveToConcl (-1) THEN nRNorm 0 THEN Auto)
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