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Theorem inapp-09

⊦ x + y = z + a ' ∧ c ' + x = x0 + b ' ∧ x0 ≠ [] ∧ a ≠ b → b ∈ z

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

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Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 1
Used lemmas: inapp-11, inapp-13, in-append, in-12, in-11, in-15, in-14, a, inapp-08,
Used spec theorems:
- Used simplifier rules: