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All Theorems

Proved mathematical results, statements with an accepted proof within the mathematical community. Belongs here: theorems, grouped below by the branch of mathematics the result belongs to. Does not belong here: unproved claims, filed as conjectures, even ones widely believed true.

All Theorems

907 entries

Branch

Topic Area

Proved

Proved By

Named After

Statement Form

Cousin's Theorem

CPT Theorem

Craig Interpolation Theorem

Cramer-Rao Bound

Cramer-Rao Inequality

Cramer's Rule

Cramér's Theorem (Large Deviations)

Cramer-Wold Theorem

Crossbar Theorem

Crossing Number Inequality

Crystallographic Restriction Theorem

Curtis-Hedlund-Lyndon Theorem

Cut-Elimination Theorem (Gentzen's Hauptsatz)

Danskin's Theorem

Darboux's Theorem

Davenport-Schmidt Theorem

De Bruijn-Erdos Theorem (Graph Theory)

De Bruijn-Erdos Theorem (Incidence Geometry)

de Finetti's Theorem

De Gua's Theorem

De Moivre-Laplace Theorem

De Moivre's Formula

De Morgan's Laws

De Rham's Theorem

Debreu's Theorems

Decimal Representation

Deduction Theorem

Delta Method

Denjoy-Wolff Theorem

Denjoy-Young-Saks Theorem

Desargues' Theorem

Descartes Circle Theorem

Descartes' Rule of Signs

Diaconescu's Theorem

Diagonal Lemma

Difference of Two Squares

Differentiation of Trigonometric Functions

Differentiation Rules

Dilworth's Theorem

Dimension Theorem for Vector Spaces

Dini's Theorem

Dinitz Theorem

Dirac's Theorem

Dirichlet Kernel

Dirichlet's Approximation Theorem

Dirichlet's Theorem on Arithmetic Progressions

Dirichlet's Unit Theorem

Discontinuities of Monotone Functions

Divergence Theorem

Dobinski's Formula

Dominated Convergence Theorem

Donaldson's Theorem

Donsker's Theorem

Doob Decomposition Theorem

Doob's Martingale Convergence Theorem

Dorfman-Steiner Theorem

Double Bubble Theorem

Duggan-Schwartz Theorem

Earnshaw's Theorem

Easton's Theorem

Edgeworth's Limit Theorem

Egorov's Theorem

Ehrenfest Theorem

Ehrenfeucht-Fraisse Theorem

Eilenberg-Zilber Theorem

Eisenstein's Criterion

Electromagnetism Uniqueness Theorem

Elementary Symmetric Polynomial

Elias Bassalygo Bound

Elitzur's Theorem

Entscheidungsproblem

Envelope Theorem

Equal Incircles Theorem

Equidistribution Theorem

Equipartition Theorem

Erdos-Anning Theorem

Erdos-Gallai Theorem

Erdos-Ginzburg-Ziv Theorem

Erdos-Kac Theorem

Erdos-Ko-Rado Theorem