AND function

AND function

[′and ‚fuŋk·shən]
(mathematics)
An operation in logical algebra on statements P, Q, R, such that the operation is true if all the statements P, Q, R, … are true, and the operation is false if at least one statement is false.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in classic literature ?
In all these cases of two very distinct species furnished with apparently the same anomalous organ, it should be observed that, although the general appearance and function of the organ may be the same, yet some fundamental difference can generally be detected.
Electronically, they link into the nursing home computer system and function in the same way as a notebook computer, but the keyboard is replaced by an electronic stylus, or "pen," which is used to "write" on a display screen.