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Theorem and-notone-03

⊦ bits ≠ [] ∧ bits0 ≠ [] ∧ ¬ bits0.first → bitsand(bits, bits0) ≠ true ' + bits1

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 2
Used lemmas: and-notone-01,
Used spec theorems:
- Used simplifier rules:
  - list/bitlista/in-14
  - list/bitlista/c
  - list/bitlista/a
  - list-data/bitlista/elim-list-c