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Theorem longest-common-prefix
⊦ ∃ z, x0, y0. x = z + x0 ∧ y = z + y0 ∧ (x0 ≠ [] ∧ y0 ≠ [] → x0.first ≠ y0.first)
Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes
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the proof
Infos about the proof
Proved?: Yes
Interactions: 7
Proof steps: 13
Used lemmas:
c-08
,
e-01
,
app-08
,
c
,
a
,
Nil
,
Used spec theorems:
Used simplifier rules: