<CharaCter> (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. Cs> /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. multiple value. [Jargon File] (1995-10-30)
