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Theorem neq-one

# str = 1, 1 < # str0 ⊦ (* str) ≠ (* str0) + str1

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 2
Used lemmas: len-app,
Used spec theorems:
- Used simplifier rules:
  - nat-basic/c
  - nat-basic/a
  - list-data/string/l
  - nat-basic/one-05
  - nat-basic/one
  - list/string/a