all-
Returns 1b if all items are non-zero. (Aggregate)
& and-
Logical AND. Lesser of two values. (Atomic)
any-
Returns 1b if any item is zero. (Aggregate)
not-
Returns 1b where (items of) argument are zero. (Atomic)
null-
Is null. (Atomic)
| or-
Logical OR. Greater of two values. (Atomic)