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Theorem rem-inter-empty3

⊦ (s0 \ s1) ∩ s = ∅ ∧ (s2 \ s0) ∩ s = ∅ → (s2 \ s1) ∩ s = ∅

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 10
Used lemmas: Difference, int-c, int-a, int-rax,
Used spec theorems:
- set-basic/Extension
Used simplifier rules: