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Theorem diff-13

⊦ is_boolvalue(val) → ¬ is_referencevalue(val)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: diff-09,
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: test-106, test-105, test-51, test-42, test-135, test-84, test-22, test-174, test-211, test-210, test-209, test-294, test-18, test-13, test-14, test-134, test-133, test-15, test-03, gen,
Used spec theorems:
- Used simplifier rules: