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Theorem le-same-04

⊦ i * abs(j) ≤ abs(j) ↔ j = 0 ∨ i ≤ 1

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: le-same-05,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 4
Used lemmas: zero-left, commutativity, associativity, one, le-pos-01,
Used spec theorems:
- Used simplifier rules:
  - int-abs/abs-06
  - int-abs/lels-01