Step
*
1
1
1
1
of Lemma
rmax-minus-rmin
1. a : ℝ@i
2. b : ℝ@i
3. n : ℕ+@i
⊢ |imax((a n) + (-(b n));-((a n) + (-(b n)))) - imax(a n;b n) + (-imin(a n;b n))| ≤ 0
BY
{ TACTIC:((RWO "imax_unfold imin_unfold" 0 THENA Auto)
THEN Repeat (AutoSplit)
THEN Auto'
THEN ((RW IntNormC 0 THENA Auto) THEN RWO "absval_unfold" 0 THEN Auto)⋅) }
Latex:
Latex:
1. a : \mBbbR{}@i
2. b : \mBbbR{}@i
3. n : \mBbbN{}\msupplus{}@i
\mvdash{} |imax((a n) + (-(b n));-((a n) + (-(b n)))) - imax(a n;b n) + (-imin(a n;b n))| \mleq{} 0
By
Latex:
TACTIC:((RWO "imax\_unfold imin\_unfold" 0 THENA Auto)
THEN Repeat (AutoSplit)
THEN Auto'
THEN ((RW IntNormC 0 THENA Auto) THEN RWO "absval\_unfold" 0 THEN Auto)\mcdot{})
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