Step
*
of Lemma
minus_mono_wrt_le
∀[i,j:ℤ]. uiff(i ≥ j ;(-i) ≤ (-j))
BY
{ Auto }
1
1. i : ℤ
2. j : ℤ
3. (-i) ≤ (-j)
⊢ i ≥ j
Latex:
Latex:
\mforall{}[i,j:\mBbbZ{}]. uiff(i \mgeq{} j ;(-i) \mleq{} (-j))
By
Latex:
Auto
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