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Theorem sw-del-add-new

¬ r ∈ h ⊦ ¬ r ∈ rs → h(r := o) \ rs = (h \ rs)(r := o)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 6
Proof steps: 12
Used lemmas: at-diffs, in-diffs,
Used spec theorems:
Used simplifier rules: