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Theorem ls-one

⊦ ls(r, a ') = r => a × null

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 5
Used lemmas: ls-base, ls-rec,
Used spec theorems:
- Used simplifier rules:
  - heap-sep/sep-com
  - heap-sep/sep-ass
  - heap-sep/and-com
  - heap-sep/and-ass
  - heap-sep/emp-sep
  - heap-sep/prop-shift
  - list/a
  - list/app
  - heap-sep/false-rev
  - heap-sep/falseH
  - maplet/cell-heap-aux/ex1
  - heap-sep/and
  - heap-sep/prop