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Theorem int2bytes-one

⊦ # int2bytes(i) = 1 → ~128 ≤ i ∧ i ≤ 127

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: int2bytes-one-01, int2bytes-one-02,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 5
Proof steps: 15
Used lemmas: int2bytes-empty, int2bytes-last-01, int2bytes-rec-case, int2bytes-byte, int2bytes-le127,
Used spec theorems:
- Used simplifier rules:
  - int-abs/zero-gels
  - int-basic1/numlslsdel-01
  - int-abs/forward-le
  - int-abs/forward-le-01
  - int-abs/numlsledel-01
  - int-abs/numlelsdel-01
  - int-abs/anti
  - nat-basic2/one-03
  - list-data/bytelist/l
  - nat-basic2/a
  - nat-basic2/c
  - int-abs/lels-02
  - int-abs/zero-gels-03
  - int-abs/forward-le-04
  - int-abs/numlsledel
  - list/bytelist/len
  - list/bytelist/a
  - int-abs/numlelsdel
  - int-abs/zero-gels-02
  - int-abs/lels-03
  - int-abs/forward-le-02
  - int-basic1/lst
  - int-abs/lels
  - int-abs/lels-04
  - int-basic2/num-between
  - int-abs/lels-01
  - list/bytelist/len-02
  - int-abs/numleledel-01
  - int-abs/numleledel