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Theorem countrefs-zero

⊦ countrefs(0 ' + ints) = 1

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: addarrays-at-other, addarrays-at-other-01, addarrays-fieldat, addarrays-fieldin, addarrays-length, addarrays-mode, addarrays-out, addarrays-refin, addarrays-refin-01, addarrays-type, addarrays-typein-01, countrefs-rec-02, endfinallymode, multi-at-other, multi-field, multi-fieldin, multi-in-other, multi-isarrayref, multi-length-first, multi-lengthin, multi-refin, multi-type-first, multi-typein,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 3
Used lemmas: countrefs-zero-01, countrefs-base,
Used spec theorems:
- Used simplifier rules:
  - nat/ax-02
  - nat-basic1/one
  - nat-basic2/oz
  - nat-basic2/one-03
  - list/intlista/c-08
  - nat-basic2/c
  - nat-basic2/a
  - list-data/intlista/l
  - nat/lep-01
  - list/intlista/a
  - list/intlista/len-02
  - list/intlista/len