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Theorem newrefs-butlast-01

⊦ newref_list(n + 1, st) .butlast = newref_list(n, st)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: newrefs-butlast,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 6
Proof steps: 13
Used lemmas: newrefs-empty, newrefs-rec-01, newrefs-succ, newrefs-one-01, newrefs-zero,
Used spec theorems:
- list-last/references/bc
Used simplifier rules:
- list/references/a
- list/references/app-01
- nat-basic2/oz
- nat/add-num-03
- nat/add-01
- nat/pred-03
- nat-basic1/z
- nat-basic2/z-01
- nat-basic2/a
- nat-basic2/c
- list/references/c
- nat-basic2/succ
- list-last/references/b