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Theorem newrefs-rec-01

⊦ 0 < n → newref_list(n, st) = newref(st) + newref_list(n -1, st[newref(st) -- 0 ', noval])

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: newref-newreflist-subset, newrefs-butlast-01, newrefs-last-01, newrefs-three, newrefs-two,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 4
Used lemmas: newrefs-succ,
Used spec theorems:
- Used simplifier rules:
  - list/references/app-01
  - list/references/a
  - nat-basic2/c
  - nat-basic2/a
  - nat-basic2/oz
  - nat-basic1/z
  - list/references/c
  - nat/pred-03
  - nat/elim-pred-c