Step
*
1
2
of Lemma
real-vec-dist-dilation
1. n : ℕ
2. x : ℝ^n
3. y : ℝ^n
4. a : ℝ
5. req-vec(n;a*x - a*y;a*x - y)
⊢ ||a*x - a*y|| = (|a| * ||x - y||)
BY
{ (RWO "-1" 0 THEN Auto) }
Latex:
Latex:
1. n : \mBbbN{}
2. x : \mBbbR{}\^{}n
3. y : \mBbbR{}\^{}n
4. a : \mBbbR{}
5. req-vec(n;a*x - a*y;a*x - y)
\mvdash{} ||a*x - a*y|| = (|a| * ||x - y||)
By
Latex:
(RWO "-1" 0 THEN Auto)
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