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Theorem diffs-sw

⊦ (h -- r) \ rs = (h \ rs) -- r

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: delswr, diff-size,
Used by units in proved state: heap-mod,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 4
Used lemmas: at-diffs, at-del, in-diffs, in-del, ext,
Used spec theorems:
- Used simplifier rules: