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Theorem rmpos-get

⊦ n + 1 < # x ∧ m < # x → (x -1l m)[n] = (n < m ⊃ x[n];x[n + 1])

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 22
Used lemmas: delpos-base, get-succ, get-zero-01, get-append-grt, delpos-rec, get-rec-01,
Used spec theorems:
- Used simplifier rules: