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Theorem extension

⊦ x = y ↔ # x = # y ∧ (∀ n. n < # x → x[n] = y[n])

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: 4
Proof steps: 10
Used lemmas: get-zero, get-succ,
Used spec theorems:
- Used simplifier rules: