AND boolean1 boolean2
(AND boolean1 boolean2 boolean3 ...)

Outputs TRUE if all inputs are TRUE, otherwise FALSE. All inputs must be TRUE or FALSE.

The comparison is always case-insensitive, regardless of the value of CASEIGNOREDP. That is, "true", "True", and "TRUE" are all the same.

If given no inputs, AND outputs TRUE.

SHOW AND "true "true
true
SHOW AND "true "false
false