Combinatorics Edit Classic editor History Talk0 860pages on this wiki Category page Binomial coefficient “Combinatorics is an area of discrete mathematics that studies collections of distinct objects... Combinatorics “A multiset is a collection of unordered objects. Unlike sets, elements of multisets need not be... Multiset “Factorial is a function denoted by a trailing exclamation point (!), which is defined for all... Factorial “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 Tetrahedral 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