- Cantor, Georg (1845-1918)
- Cantor function
- Cantor set
- Cantor-Bernstein theorem
- cardinality
- cardinality of continuum
- cardinality of power set
- Cauchy, Augustin (1789-1857)
- Cauchy condensation test for series
- Cauchy criteria
- Cauchy criterion for series
- Cauchy product
- Cauchy sequence
- Cauchy sequence and convergence
- chain rule
- closed
- closed set, inverse image under continuous function
- closed sets and boundary
- closed sets and sequences
- closed sets, intersections of
- closed sets, unions of
- compact
- compact means closed and bounded
- compact set, image under continuous function
- compact sets, nested
- comparison test for series
- complement
- completeness of R
- conditional convergence of series
- connected
- connected set, image under continuous function
- connected sets in R
- continuity and inverse images
- continuity and limits
- continuity, uniform
- continuous
- continuous and differentiable
- continuous and uniformly continuous
- continuous functions on compact set
- continuum hypothesis
- convergence, absolute
- convergence, conditional
- convergent sequence
- convergent sequences and subsequences
- convergent sequences are bounded
- convergent series
- countability of rationals
- countable
- countable unions
- cover