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Theorem checksum-append-left

⊦ n ≤ # buf0 → checksum(buf0 + buf1, n) = checksum(buf0, n)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp,
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: 7
Used lemmas: checksum-prefix,
Used spec theorems:
- array/buffer/Extension
- array-copy/buffer/at-subarray
Used simplifier rules:
- array-splice/buffer/append-at1
- nat-basic2/add-base
- array-copy/buffer/size-subarray
- nat-basic2/c
- nat-basic2/a
- nat-basic2/l-02
- nat-basic1/f
- nat/fle
- nat/lels-01
- array-splice/buffer/append-a
- array-splice/buffer/append-len