Combinatorics Edit Classic editor History Talk0 872pages on this wiki Category page Binomial coefficient “Combinatorics is an area of discrete mathematics that studies collections of distinct objects... Combinatorics “Factorial is a function denoted by a trailing exclamation point (!), which is defined for all... Factorial “A multiset is a collection of unordered objects. Unlike sets, elements of multisets need not be... Multiset Tetrahedral number “In combinatorics, the rule of sum is a basic counting principle. Stated simply, it is the idea... Rule of sum “In combinatorics, the rule of product is a basic counting principle (a.k.a. the fundamental... Rule of product “A pentatope number is a number in the fifth cell of any row of Pascal's triangle starting with... Pentatopic number Pages in category "Combinatorics" The following 8 pages are in this category, out of 8 total. CombinatoricsB Binomial coefficientF Factorial M MultisetP Pentatopic numberR Rule of product R cont. Rule of sumT Tetrahedral number Categories: Mathematics Add category Cancel Save