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Theorem new-exists

⊦ ∃ ino. ino ≠ 0 ∧ ¬ ino ∈ dirs ∧ ¬ ino ∈ files

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 9
Used lemmas: max-exists,
Used spec theorems:
- Used simplifier rules:
  - heap/dir-heap/nonnull
  - nat-basic/ref
  - heap/file-heap/nonnull