- elementary commutative group
- elementary conjunction
- elementary contrast
- elementary cycle
- elementary diagram
- elementary differential
- elementary disjunction
- elementary divisor
- elementary divisor theorem
- elementary domain
- elementary embedding
- elementary equivalence
- elementary error
- elementary event
- elementary extension
- elementary factor
- elementary filter
- elementary flow
- elementary formula
- elementary function
- elementary function space
- elementary geometry
- elementary group
- elementary Hopf algebra
- elementary ideal