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Theorem eq-nonzero-01

⊦ r ≠ 0.r → (r0 * r = r2 * r ↔ r0 = r2)

Type: A user defined theorem
Validity: The proof is valid.
Features:
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: 2
Used lemmas: mult-com, mult-ass, eq-nonzero,
Used spec theorems:
- Used simplifier rules: