- converse order type
- converse proposition
- converse relation
- converse sentence
- converse statement
- converse theorem
- conversion
- exclusive events
- exclusive NOR
- exclusive OR
- exclusive-OR gate
- excosine circle
- excursion
- excursion space
- executive system
- exemplar
- exercise
- Exeter point
- exhaustible
- exhaustion
- exhaustion function
- exhaustion method
- exhaustion of a domain
- exhaustion principle
- exhaustion process