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Theorem subseteq-inter-empty-empty

⊦ s0 ⊆ s1 ∧ s1 ∩ s2 = ∅ → s0 ∩ s2 = ∅

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: 3
Proof steps: 9
Used lemmas: int-c, int-a, int-rax,
Used spec theorems:
- set-union/subdef
- set-basic/Extension
Used simplifier rules: