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Theorem numle-07

⊦ (* i1) * j ≤ j ↔ 0 ≤ (1 - i1) * j

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 7
Used lemmas: zero-ls, zero-left, le-same-02, associativity, zero-ls-03, le-same, commutativity,
Used spec theorems:
- int-abs/le-def
Used simplifier rules: