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Theorem int-simp-03

⊦ i < i1 ∧ i2 ≤ i3 → (i + i2 = i1 + i3 ↔ false)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: int-simp-02,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: forward-le-05, le-def,
Used spec theorems:
- int-basic2/ex-ls-add
Used simplifier rules: