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Proof step 12 from proof abs-sub-01 (previous step)

~2 < i0, i0 < 0 ⊦ ~1 = i0, abs(i0) < i0 + 2

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: int-basic1 name: lst-01 seq: ⊦ ¬ i < j → (i = j ↔ ¬ j < i) subst: [j, i] → [i0, ~1] flags: <all paths>

Additional information

Used simplifier rules: ⊦ i < 0 → (~2 < i ↔ i = ~1); (s) Used terms: i0, ~1