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Theorem getintarray-in

⊦ i ∈ getintarray(r, st) ↔ (∃ j. i = st[r -- j '] .intval ∧ 0 ≤ j ∧ j < st[r -- _length] .intval)

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: getintarray-in-01,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 11
Proof steps: 20
Used lemmas: get-get, get-length, get-empty, getintarray, getintarray-def,
Used spec theorems:
- list-del/intlista/in-get
- intnat/num-n2i-ls-06
- valuesfuns/intvalues-at
Used simplifier rules: