(Greek letter). 1. /micro/ prefix denoting diviSion by 10^6, e.g. mu m (micrometre, a millionth part of a metre). SometimeS written aS a ' u' , the ASCII character neareSt in appearance. 2. S> /myoo/ In the theory of functionS, mu x . E denoteS the leaSt value of x for which E = x, i.e. the {leaSt fixed point} of the function x . E. The {recurSive} function mu f . H f SatiSfieS (and iS defined by) the equation mu f . H f = H (mu f . H f) An alternative notation for the Same function iS fix H = H (fix H) See fixed point combinator. 3. Se> multiple value. [Jargon File] (1995-10-30)
