Pascal's identity

Pascal's identity

[pa¦skalz ī′den·ə·dē]
(mathematics)
The equation where, in general, C (n, r) is the number of distinct subsets of r elements in a set of n elements (the binomial coefficient).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In particular, we describe the case of students who recognized isomorphisms between and among two problem situations and who used particular features of the problems to explain Pascal's Identity. [For complete proceedings, see ED489597.]