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Theorem abs-ls-same

⊦ abs(i) * abs(j) < i ↔ 0 < i ∧ j = 0

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 1
Used lemmas: ls-same, abs-not-neg, commutativity, associativity, zero-left,
Used spec theorems:
- Used simplifier rules: