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Theorem zero-04

⊦ m * n = m0 → (m0 = m * n0 ↔ m = 0 ∨ n = n0)

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: 1
Used lemmas: zero, mult-c, mult-a, eq,
Used spec theorems:
- Used simplifier rules: