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Theorem one-03

⊦ 0 < i ∧ 0 ≤ j → (1 = i + j ↔ i = 1 ∧ j = 0)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: sub-eq, lsone, sub-ls-01, sub-add, sub-add-01, forward-le-05, le-def,
Used spec theorems:
- Used simplifier rules: