| Donsker's theorem | 818832PMSV | statement | none |
| Weil conjectures | 81TXP32VDM | statement | none |
| Kolmogorov's normability criterion | 822WQ7S91T | statement | none |
| Bishop–Gromov inequality | 82F5Q4F1S6 | statement | none |
| Moser's trick | 82YGJ392SJ | statement | none |
| Kingman's subadditive ergodic theorem | 833XVEEZCJ | statement | none |
| Nichols–Zoeller theorem | 856B6C7EE4 | statement | none |
| Lax–Milgram theorem | 85KK79FCN5 | statement | none |
| Reduction of an initial value problem to a Volterra equation | 86AWJMXT1A | statement | none |
| Landweber iteration | 87DV5ZTJ9J | statement | none |
| Radon's theorem | 888R24ZGNY | statement | none |
| Mutual absolute continuity of harmonic measures | 89CHZ3ZMCH | statement | none |
| Gauss–Hermite quadrature | 89S5KGQEMJ | statement | none |
| Fekete's lemma | 8A4GGX1MEY | statement | none |
| McDiarmid's inequality | 8APFT1RPM4 | statement | none |
| Schlömilch's generalization of the condensation test | 8AX4XREEPX | statement | none |
| Leray spectral sequence | 8BMQ90EJPR | statement | none |
| Thomson's principle | 8BPMHA5MT4 | statement | none |
| van der Waerden conjecture on permanents | 8C1JYDJBYS | statement | none |
| Lévy's characterization of Brownian motion | 8CKDVESXT6 | statement | none |
| Asymptotic normality of the maximum likelihood estimator | 8DWRYNAMFT | statement | none |
| Borel determinacy theorem | 8FVWYEZWTK | statement | none |
| Box–Muller transform | 8G07Q9SVQ4 | statement | none |
| Legendre's relation | 8GSKDNZ4TK | statement | none |
| Ornstein isomorphism theorem | 8H4GF58E9M | statement | none |
| Besicovitch–Federer projection theorem | 8J8AW0TG9M | statement | none |
| Robinson–Schensted–Knuth correspondence | 8JW8F4VVED | statement | none |
| Generalized Poincaré conjecture | 8KDV43WZ3Z | statement | none |
| Uniform convergence of Bernstein approximations | 8MD8DJE30F | statement | none |
| Kaplansky's theorem on PI rings | 8NE9Q44FEG | statement | none |
| Density theorem | 8P9PJG95H3 | statement | none |
| Ramanujan's series for 1/pi | 8PZPMF2QJD | statement | none |
| Neumann series | 8QJ91709V2 | statement | none |
| Cauchy interlacing theorem | 8QQPVNR80F | statement | none |
| Hartogs–Bochner extension theorem | 8QYVM1JTMF | statement | none |
| Alternating-direction implicit method | 8RDSR3JXP2 | statement | none |
| Remez inequality | 8S129JX919 | statement | none |
| Singular cardinals hypothesis | 8SH7WETCKY | statement | none |
| Tauber's theorem | 8SK3GQ4S0M | statement | none |
| Toeplitz–Hausdorff theorem | 8TV0DJBBAY | statement | none |
| Freyd–Mitchell embedding theorem | 8V296XR2M3 | statement | none |
| Carleson embedding theorem | 8V9JHWWXNH | statement | none |
| Liouville's theorem (differential algebra) | 8VRTPECBPZ | statement | none |
| Cartan's theorem on fine continuity of superharmonic functions | 8WWTMFR278 | statement | none |
| Tikhonov's theorem on slow-fast systems | 8X8Y61MGHW | statement | none |
| Nash embedding theorems | 8YQJQXQHVE | statement | none |
| Loop theorem | 8YYJBVP68F | statement | none |
| Cantor–Lebesgue theorem | 8Z55VMJSEX | statement | none |
| Hall's theorem on solvable groups | 8Z8PE69SJS | statement | none |
| Hopf degree theorem | 902X7EHFSC | statement | none |
| Maximum modulus principle in several variables | 91DW8V0PET | statement | none |
| Feuerbach's theorem | 93343FN5PF | statement | none |
| Serre's theorem on regular local rings | 93RQRG9R1P | statement | none |
| Period three implies chaos | 93VXAB8JYS | statement | none |
| Aoki–Rassias theorem | 93WX6PZC8R | statement | none |
| Suslin's theorem | 9418TGREZX | statement | none |
| Finitely generated projective modules over local rings are free | 942FK83S09 | statement | none |
| Adaptive quadrature | 948A39DZDE | statement | none |
| Pascal's theorem | 94AKWRHND0 | statement | none |
| Ionescu-Tulcea theorem | 94ASD187AQ | statement | none |
| Krull–Schmidt theorem | 94M0BPV1W4 | statement | none |
| Schur's inequality | 958TMJZ51Y | statement | none |
| Uhlenbeck compactness theorem | 97CGS5KKRW | statement | none |
| Cauchy–Kovalevskaya theorem | 97HMV9BT2W | statement | none |
| Ackermann function is not primitive recursive | 97QF3KHSBY | statement | none |
| Baker–Pixley theorem | 97SRYBF41G | statement | none |
| Schwarz alternating method | 97VNBS15CD | statement | none |
| Thom–Sebastiani theorem | 98MVMS1NRR | statement | none |
| Brunn–Minkowski theorem | 9B02RPN7XD | statement | none |
| Mehler kernel | 9BF9QTCRKW | statement | none |
| Edgeworth expansion | 9C4MPVMTA7 | statement | none |
| Cahen–Mellin integral | 9C8SS4522J | statement | none |
| Weyl's lemma | 9CWM3F4M04 | statement | none |
| Crofton formula | 9D5NT00H6G | statement | none |
| Nested dissection | 9DTJ87P4R1 | statement | none |
| Sullivan conjecture | 9EA7KJ50AE | statement | none |
| Bourbaki–Witt theorem | 9EABA9ZDZS | statement | none |
| Derivative of a convolution | 9FN0PFZZXZ | statement | none |
| Summation by parts | 9G82Z17DKA | statement | none |
| Δ-system lemma | 9GKS3RBZ8V | statement | none |
| Keller's conjecture | 9GQQ7TK36T | statement | none |
| Rader's FFT algorithm | 9HYM2ZMS31 | statement | none |
| Kummer's test | 9JQEWK5405 | statement | none |
| Bihari–LaSalle inequality | 9KMJSKNZ72 | statement | none |
| Minkowski's first inequality | 9M8XJX4DQ7 | statement | none |
| Fishburn's theorem on interval orders | 9MMG0335JE | statement | none |
| Nilpotence theorem | 9N027RT5R6 | statement | none |
| Cooley–Tukey FFT algorithm | 9N8D9E5TB2 | statement | none |
| Kalman rank condition | 9NSCZ2KBEB | statement | none |
| Hadamard's inequality in Fredholm theory | 9NZ9CXC8FY | statement | none |
| Euler–Maclaurin formula | 9P839VB8S7 | statement | none |
| Cartan's classification of symmetric spaces | 9P8VK3H4YZ | statement | none |
| Quadratic convergence of Newton's method | 9PBJF44KBX | statement | none |
| Kolmogorov–Nagumo characterization of quasi-arithmetic means | 9Q5DPYQ5NP | statement | none |
| Napoleon's theorem | 9Q5P1P1ABX | statement | none |
| Łoś–Tarski preservation theorem | 9RN0KYXNT1 | statement | none |
| Uniqueness of best approximation in strictly convex spaces | 9S18DSRFND | statement | none |
| Liouville's theorem on phase-space volume | 9T7D9ZRWYY | statement | none |
| Schmidt subspace theorem | 9TPS3W497D | statement | none |
| Poincaré duality | 9VY90HJVZX | statement | none |
| Deduction theorem | 9X08XK5RV2 | statement | none |
| Bernstein's theorem on analytic functions | 9X3QFZEHM1 | statement | none |
| Pfaff–Saalschütz theorem | 9X6KG770GV | statement | none |
| Maximum principle for subharmonic functions | 9XJ5FBQD7M | statement | none |
| Herglotz representation theorem | 9ZBAX4ZPX0 | statement | none |
| Artinian reduced rings are semisimple | 9ZBM46J88T | statement | none |
| Secant method | 9ZC177PVPC | statement | none |
| Nash–Moser theorem | 9ZCCXT3KKP | statement | none |
| Poisson–Jensen formula | 9ZG6HNM84Q | statement | none |
| Combinatorial Nullstellensatz | 9ZW7BCJMDT | statement | none |
| Calderón–Vaillancourt theorem | A0MXE8YWZA | statement | none |
| Landen's transformation | A0V7ZAEQBW | statement | none |
| Hodge theorem | A127WFVYKW | statement | none |
| Spectral theorem for compact self-adjoint operators | A1G25R99PY | statement | none |
| Courant–Fischer characterization of characteristic values | A1PANCDYTG | statement | none |
| Hopf invariant one problem | A3AP0P0D4M | statement | none |
| Generalized minimal residual method | A3FR6PNEPB | statement | none |
| Blichfeldt's theorem | A3FTHW4NES | statement | none |
| Multiplication formula for the Fourier transform | A4TRMA5V4V | statement | none |
| Gauss–Lucas theorem | A56086N8XQ | statement | none |
| Frullani integral | A58Z1DQ593 | statement | none |
| Cartan decomposition of a Lie group | A5JB9JQKR0 | statement | none |
| Minimum total potential energy principle | A5T30ZHVGH | statement | none |
| Collar neighbourhood theorem | A68WQ4ZAF0 | statement | none |
| Marden's theorem | A6GYWEFFTY | statement | none |
| Gauss's test | A7MJXJERNY | statement | none |
| Determinant trick | A8HRT9H3XA | statement | none |
| Heine's transformation | A93A5VATSD | statement | none |
| du Bois-Reymond lemma | AATQKCWAAC | statement | none |
| Log-convexity of the gamma function | AB3ATTS48V | statement | none |
| Theorem of the three geodesics | AB9FNZD18B | statement | none |
| Cantor's isomorphism theorem | ABN5PTXEHY | statement | none |
| Atkinson's theorem | ABS17CB1D2 | statement | none |
| Smith conjecture | ABYAPP6Q4C | statement | none |
| Kantorovich duality | AC5CB7RH6Z | statement | none |
| Multigrid method | AC9PY6FBYF | statement | none |
| Sinai's factor theorem | ACQ7A58XY7 | statement | none |
| Marcinkiewicz–Zygmund inequality | AE0EZQH4ZM | statement | none |
| Calderón–Zygmund theorem | AE1HJ8D8GV | statement | none |
| Kepler conjecture | AFMBQT06ZV | statement | none |
| Conjugate gradient method | AFXZGQB4EN | statement | none |
| Hilbert–Burch theorem | AG4FF4DNYQ | statement | none |
| Binet's formulas for the log-gamma function | AGBWPB994F | statement | none |
| Riesz–Thorin theorem | AGRKRG1TMJ | statement | none |
| Khintchine inequality | AGWMZ50SSZ | statement | none |
| Łoś's theorem | AGYBSTD7BG | statement | none |
| Kneser's construction of real analytic tetration | AH3G1HDB0D | statement | none |
| Long exact sequence in homology | AHKJ361FDB | statement | none |
| Serre spectral sequence | AHW4B5480K | statement | none |
| Milman–Pettis theorem | AJ5RG9XQYZ | statement | none |