For example, if it's true that it's raining, and it's true that I'm inside, then it's true that it's raining, and I'm inside.
Formally:
A B ∴ ( A ∧ B )
... Sigurnost[?] (DS) Canada Canadian Security Intelligence Service[?] (CSIS) http://www.csis-scrs.gc.ca/ Communications Security Establishment ...