- carrier space
- Carrol, R.W.
- carry
- carry digit
- definiteness
- definite operator
- definite problem
- definite quadratic form
- definite sign
- definite subspace
- definition
- definitional domain
- definitional equivalence
- definitional identity
- definitionally equal
- definition by abstraction
- definition by cases
- definition by extension
- definition by induction
- definition by mathematical induction
- definition by recursion
- definition by transfinite induction
- definitizable operator
- definization method
- deflation