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Theorem neq-03

⊦ ¬ a0 ∈ y ∧ a0 ≠ a → y + a ' ≠ y0 + a0 ' + z

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
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: 3
Used lemmas: a, neq, app-06, app, lastdiv,
Used spec theorems:
- Used simplifier rules: