Equal (Built-in Mathematica Symbol)

lhs == rhs returns True if lhs and rhs are identical.

PermutationCyclesQ (Built-in Mathematica Symbol)

PermutationCyclesQ[expr] returns True if expr is a permutation in disjoint cyclic form, and False otherwise.

Tally (Built-in Mathematica Symbol)

Tally[list] tallies the elements in list, listing all distinct elements together with their multiplicities.Tally[list, test] uses test to determine whether pairs of elements ...

VertexQ (Built-in Mathematica Symbol)

VertexQ[g, v] yields True if v is a vertex in the graph g and False otherwise.

EdgeIndex (Built-in Mathematica Symbol)

EdgeIndex[g, e] gives the integer index for the edge e in the graph g.

Gather (Built-in Mathematica Symbol)

Gather[list] gathers the elements of list into sublists of identical elements.Gather[list, test] applies test to pairs of elements to determine if they should be considered ...

Split (Built-in Mathematica Symbol)

Split[list] splits list into sublists consisting of runs of identical elements. Split[list, test] treats pairs of adjacent elements as identical whenever applying the ...

PermutationListQ (Built-in Mathematica Symbol)

PermutationListQ[expr] returns True if expr is a valid permutation list and False otherwise.

Array (Built-in Mathematica Symbol)

Array[f, n] generates a list of length n, with elements f[i]. Array[f, {n_1, n_2, ...}] generates an n_1*n_2*... array of nested lists, with elements f[i_1, i_2, ...]. ...

EdgeQ (Built-in Mathematica Symbol)

EdgeQ[g, e] yields True if e is an edge in the graph g and False otherwise.