- set of degeneracy
- set of degrees
- set of elements
- set of equations
- set of events
- set of fields
- set of finite type
- set of functionals
- set of functions
- set of generators
- set of greater power
- set of imprimitivity
- set of infinite type
- set of information
- set of integers
- set of less power
- set of lower bounds
- set of mappings
- set of matrices
- set of measure zero
- set of multiples
- set of multiplicity
- set of natural numbers
- set of non-uniqueness
- set of nowhere dense