Step
*
2
of Lemma
meq-max-metric-iff-meq-rn-metric
1. n : ℕ
2. x : ℝ^n
3. y : ℝ^n
4. rn-metric(n) ≤ r(n)*max-metric(n)
5. max-metric(n) ≤ rn-metric(n)
6. mdist(rn-metric(n);x;y) = r0
⊢ mdist(max-metric(n);x;y) ≤ r0
BY
{ ((D 5 With ⌜x⌝ THENA Auto) THEN (D -1 With ⌜y⌝ THENA Auto) THEN RWO "-1" 0 THEN Auto) }
Latex:
Latex:
1. n : \mBbbN{}
2. x : \mBbbR{}\^{}n
3. y : \mBbbR{}\^{}n
4. rn-metric(n) \mleq{} r(n)*max-metric(n)
5. max-metric(n) \mleq{} rn-metric(n)
6. mdist(rn-metric(n);x;y) = r0
\mvdash{} mdist(max-metric(n);x;y) \mleq{} r0
By
Latex:
((D 5 With \mkleeneopen{}x\mkleeneclose{} THENA Auto) THEN (D -1 With \mkleeneopen{}y\mkleeneclose{} THENA Auto) THEN RWO "-1" 0 THEN Auto)
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