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Theorem okarray-put-samefield-01

⊦ r -- fs ' ∈ st ∧ oktype(st[r -- fs '], fs .type, st) ∧ oktype(val, fs .type, st) ∧ fs ' ≠ _type ∧ fs ' ≠ _length → (okarray(r, ty, st[r -- fs ', val]) ↔ okarray(r, ty, st))

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 5
Proof steps: 16
Used lemmas: oktype, okreftype, okarrayNotNull, okarray-05, oktype-okval, okarray-put-samefield,
Used spec theorems:
- Used simplifier rules: