Step
*
1
of Lemma
imax_ge_left
1. a :
@i
2. b :
@i
imax(a;b)
a
BY
{ (Decide
a
b
THENA Auto) }
1
1. a :
@i
2. b :
@i
3. a
b
imax(a;b)
a
2
1. a :
@i
2. b :
@i
3.
(a
b)
imax(a;b)
a
Latex:
1. a : \mBbbZ{}@i
2. b : \mBbbZ{}@i
\mvdash{} imax(a;b) \mgeq{} a
By
(Decide \mkleeneopen{}a \mleq{} b\mkleeneclose{}\mcdot{} THENA Auto)
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