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Theorem ar-elems-update

⊦ n < # ar → ar[n, a] .elems = (ar .elems -- ar[n]) ++ a

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: ar-elems-update-h, elems,
Used spec theorems:
- Used simplifier rules: