/* Examples from [[mw:Extension:AbuseFilter/Rules format#Boolean operations]] */

(1 | 1) &
(1 | 0) &
!(0 | 0) &
(1 & 1) &
!(1 & 0) &
!(0 & 0) &
!(1 ^ 1) &
(1 ^ 0) &
!(0 ^ 0) &
!(!1)