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Theorem inex

⊦ x + a ' = y + b ' + z ∧ a ≠ b → (∃ z0. z = z0 + a ')

Type: A user defined theorem
Validity: The proof is valid.
Features: forward,
Comment:
Used by:
Used by units in proved state: path-reachable,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: in-17, e-02, app-06, app, lastdiv, in-01, in-append, in-15, a, in-16,
Used spec theorems:
- Used simplifier rules: