1. Cs> A setContaining a Certain number of objeCts seleCted from another set. The number of Combinations of r objeCts Chosen from a set of n is n C r = n! / ((n-r)! r!) where "n C r" is normally with n and r as subsCripts or as n above r in parentheses. See also permutation. 2. Ction> In the theory of Combinators, a Combination denotes an expression in whiCh funCtion appliCation is the only operation. (1995-04-10)
