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Theorem validreflist-getarray-less-01

⊦ j + i < st[r -- _length '] .intval ∧ 0 ≤ i ∧ 0 ≤ j ∧ is_reftype(ty) ∧ validrefnotnull(str, r, mkarraytype(ty), st) → validreflist(str, getarray(r, j, i, st), ty, st)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 11
Proof steps: 24
Used lemmas: validref-arrayreftype, junkref-array, junkref-is-junk, validref-junkref, validref-noreftype, validref-null, validref-forward-array-01, validrefnotnull-def, validreflist-rec, validreflist-empty, validrefnotnull-notnull,
Used spec theorems:
- storearrays/get-rec-01
Used simplifier rules: