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Theorem add-inter-rem

⊦ ((s0 ++ a) ∩ s1) -- a = (s0 ∩ s1) -- a

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 6
Used lemmas: intersection-insert, int-rax, del-rax, del-in, int-c, int-a, Intersect, del-neq,
Used spec theorems:
- set-basic/Extension
Used simplifier rules: