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Theorem bar-len-01

⊦ n < 2 → getbytearray(r, i, n→i(n), st) ≠ by ' + by0 ' + bytes

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
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: 1
Used lemmas: get-zero, getArray-one, getByteArray,
Used spec theorems:
- Used simplifier rules:
  - valuesfuns/bytevalues-empty
  - list/bytelist/in-13
  - list/bytelist/in-14
  - nat-basic1/one-01
  - nat-basic1/numls-01
  - valuesfuns/bytevalues-one
  - list/bytelist/c-03
  - list/bytelist/app-02-ant
  - list/bytelist/e
  - list/bytelist/a