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Theorem cons-extract-list

finp(σ) ⊦ (⌜a '⌝ + σ).l = a ' + σ.l

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 5
Used lemmas: append-finfin,
Used spec theorems:
- stream-basic/sel-02
Used simplifier rules:
- stream-basic/elim
- stream-basic/test-02