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Theorem minus-one

⊦ i + 1 = 0 → i * j = ~ j

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: modzero-01, modzero-02, modzero-03, modzero-04, modzero-05, modzero-06, zero-ge-add,
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: commutativity, associativity, minus-one-02,
Used spec theorems:
- Used simplifier rules: