Step
*
2
1
1
of Lemma
div_anti_sym
.....wf.....
1. a : ℤ
2. b : ℤ-o
3. -b ≠ 0
4. 0 ≤ a
5. 0 ≤ b
⊢ -b ∈ {...-1}
BY
{ (MemTypeCD THEN Auto) }
1
.....set predicate.....
1. a : ℤ
2. b : ℤ-o
3. -b ≠ 0
4. 0 ≤ a
5. 0 ≤ b
⊢ (-b) ≤ (-1)
Latex:
Latex:
.....wf.....
1. a : \mBbbZ{}
2. b : \mBbbZ{}\msupminus{}\msupzero{}
3. -b \mneq{} 0
4. 0 \mleq{} a
5. 0 \mleq{} b
\mvdash{} -b \mmember{} \{...-1\}
By
Latex:
(MemTypeCD THEN Auto)
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