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Theorem finfrag-onlyone

⊦ frag*(IOAut(start, step, ext))(sl, []) ↔ sl = sl.head '

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by: emptymove-splitfirst,
Used by units in proved state: project-right, IOrefine-conds-imply-IOrefine, weakfin-startfin-IObackward-INV-is-leqrefine, IOrefine-conds, IObackward-INV,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 4
Used lemmas: fragstar, finfrag-one, not-finfrag-empty,
Used spec theorems:
- Used simplifier rules:
  - list/e
  - list-data/elim-list-c
  - list/a
  - list/app-02
  - list/c
  - list/app
  - list/app-04
  - list/c-03
  - list/len-05
  - nat-basic/succ
  - list-data/size-nil
  - nat-basic/one-04
  - list-data/l
  - nat-basic/a
  - nat-basic/c