| % | EME7SFPWTD | unknown | open | Wikidata Q7559698, MathWorld PercentSign |
| 't Hooft loop | DQSA2XHYSX | unknown | open | Wikidata Q4540599, nLab 't Hooft operator |
| 't Hooft–Polyakov monopole | 5FGHPVQSSJ | unknown | open | Wikidata Q8170996, nLab 't Hooft-Polyakov monopole |
| (0,1,−1)-matrix | DAHDY6JCGQ | topic | open | Wikidata Q43148722, MathWorld -101-Matrix |
| (1,−1)-matrix | XBHSBVADQX | unknown | open | Wikidata Q43217162, MathWorld -11-Matrix |
| (3,2)-tadpole graph | FYQFB1PC0P | unknown | open | Wikidata Q137527916, House of Graphs 330 |
| (ε, δ)-definition of limit | ZMMC815Q5W | unknown | open | Wikidata Q1042034, nLab 엡실론-델타 논법 |
| *-algebra | DC9SXZTCTZ | unknown | open | Wikidata Q2836000, MathWorld InvolutiveAlgebra |
| 0,1-simple lattice | K50ZWQNAXN | concept | open | Wikidata Q4545495, MathWorld 01-SimpleLattice |
| 0.999... | DGBZ49ZJX4 | statement | open | Wikidata Q713113, ProofWiki 0.999...=1 |
| 1 | BP1226TQR9 | statement | open | Wikidata Q199, MathWorld 1, ProofWiki 1 |
| 1,000,000,000 | 6QN3PQMJFJ | unknown | open | Wikidata Q16021, MathWorld Milliard |
| 1-based ruler function | PFZ6JDD77Y | object | open | Wikidata Q122695881, OEIS A001511 |
| 1-norm | P9AZWCVDQZ | unknown | open | Wikidata Q2365298, MathWorld L1-Norm |
| 1-planar graph | DP6Z7FMW5S | unknown | open | Wikidata Q4545823, MathWorld 1-PlanarGraph |
| 10 | 6GTX66544A | statement | open | Wikidata Q23806, MathWorld 10, ProofWiki 10 |
| 10,000,000 | 8EQ6W13326 | statement | open | Wikidata Q115362, ProofWiki 10,000,000 |
| 100 | 87TXAC9SJ7 | statement | open | Wikidata Q37413, MathWorld Hundred, ProofWiki 100 |
| 100,000 | 4DQ80Q9G1S | statement | open | Wikidata Q720751, ProofWiki 100,000 |
| 10000 | SAF2PNXN65 | statement | open | Wikidata Q427923, ProofWiki 10,000 |
| 1000000 | 3E3TBD2KKB | statement | open | Wikidata Q38526, MathWorld Million, ProofWiki 1,000,000 |
| 10001 | AC5C3KJPJH | statement | open | Wikidata Q21043231, ProofWiki 10,001 |
| 1035 | 5PKH4GWQV9 | statement | open | Wikidata Q6370925, ProofWiki 1035 |
| 106WA4XEES | 106WA4XEES | topic | open | Wikidata Q114703085 |
| 1080 | MDQSHRB4BQ | statement | open | Wikidata Q3843705, ProofWiki 1080 |
| 1081 | WVGMDF6002 | statement | open | Wikidata Q4706798, ProofWiki 1081 |
| 1086 | S8DANMYHVX | statement | open | Wikidata Q4262495, ProofWiki 1086 |
| 1087 | 4BQD7G76TA | statement | open | Wikidata Q5157328, ProofWiki 1087 |
| 1089 | ESXQ07C6R3 | statement | open | Wikidata Q2299683, ProofWiki 1089 |
| 10^27 | NDBADGS5J1 | unknown | open | Wikidata Q3412616, MathWorld Octillion |
| 10^33 | GS5XJ9TS8K | unknown | open | Wikidata Q3414649, MathWorld Decillion |
| 11 | ZKW8T8BJBJ | statement | open | Wikidata Q37136, MathWorld 11, ProofWiki 11 |
| 11-cell | 1BJ3XQPGGV | unknown | open | Wikidata Q4547222, MathWorld 11-Cell |
| 11-dimensional supergravity | PEFF9RRR9K | unknown | open | Wikidata Q3504646, nLab D=11 N=1 supergravity |
| 110 | Z104NNBA2R | unknown | open | Wikidata Q715456, MathWorld 110 |
| 110-vertex Iofinova–Ivanov graph | 8XXVWFABP9 | unknown | open | Wikidata Q2806925, House of Graphs 37748, MathWorld Iofinova-IvanovGraphs |
| 1111 | WT1RY64TRX | statement | open | Wikidata Q3844034, ProofWiki 1111 |
| 120-cell | BX6M18SWA0 | unknown | open | Wikidata Q736191, MathWorld 120-Cell, nLab 120-cell |
| 1254FZ837G | 1254FZ837G | unknown | open | Wikidata Q136147653, House of Graphs 538 |
| 13 | D0CP3HDEA5 | statement | open | Wikidata Q37141, MathWorld 13, ProofWiki 13 |
| 13th root | AQTX2KBR1W | concept | open | Wikidata Q3416239, MathWorld 13thRoot |
| 144 | 6BR7MAHCK8 | unknown | open | Wikidata Q715448, MathWorld 144 |
| 15 | 4SRK90V5ZE | statement | open | Wikidata Q38701, MathWorld 15, ProofWiki 15 |
| 15 and 290 theorems | XC6NJ5QY01 | statement | open | Wikidata Q780763, MathWorld FifteenTheorem |
| 15 puzzle | BV2NX7PT1B | unknown | open | Wikidata Q191024, MathWorld 15Puzzle |
| 16 | VAEYN6MRXR | statement | open | Wikidata Q40254, ProofWiki 16 |
| 16-cell | 11H0F9SMXH | unknown | open | Wikidata Q2471444, MathWorld 16-Cell |
| 163 | SW4QZDT0XP | unknown | open | Wikidata Q721026, MathWorld 163 |
| 17 | YRA49K0BBD | statement | open | Wikidata Q40118, MathWorld 17, ProofWiki 17 |
| 1729 | EVQR4DQ498 | unknown | open | Wikidata Q825176, MathWorld 1729, MathWorld Hardy-RamanujanNumber |
| 18 | 58X2YS98E5 | statement | open | Wikidata Q38712, MathWorld 18, ProofWiki 18 |
| 196-algorithm | CZY3ASW7ZX | concept | open | Wikidata Q122897527, MathWorld 196-Algorithm |
| 1:1.2190103 | TCR36AGDWE | object | open | Wikidata Q30302710, OEIS A230582 |
| 2 | 8SMTB2DF83 | statement | open | Wikidata Q200, MathWorld 2, ProofWiki 2 |
| 2-adic valuation | YN2072QHB4 | object | open | Wikidata Q122695876, OEIS A007814 |
| 2-functor | A2FQT5G2KH | unknown | open | Wikidata Q25304059, nLab 2-functor |
| 2-group | F8HTVFZQY4 | unknown | open | Wikidata Q4596948, nLab 2-group |
| 2-groupoid | Y3YR8BTJCH | unknown | open | Wikidata Q124423945, nLab 2-groupoid |
| 2144 | ZFZ2W77E3F | statement | open | Wikidata Q19241840, ProofWiki 2144 |
| 2187 | E72EVMT39P | unknown | open | Wikidata Q1489774, MathWorld 2187 |
| 239 | T488B6843S | unknown | open | Wikidata Q845630, MathWorld 239 |
| 24 | 7XZV1RD3BE | unknown | open | Wikidata Q79988, MathWorld 24 |
| 24-cell | FECQ0Y816A | unknown | open | Wikidata Q539008, MathWorld 24-Cell, nLab 24-cell |
| 243 | FR9CECENS0 | unknown | open | Wikidata Q769215, MathWorld 243 |
| 257-gon | JFPNJTYQGP | unknown | open | Wikidata Q218261, MathWorld 257-gon |
| 26-fullerene graph | A940JSBZ08 | unknown | open | Wikidata Q55602720, House of Graphs 27327 |
| 29SZ4Y72GA | 29SZ4Y72GA | statement | open | Wikidata Q23350, MathWorld 7, ProofWiki 7 |
| 2SF4N0Q95M | 2SF4N0Q95M | object | open | Wikidata Q134966744, OEIS A073440 |
| 2x2 subsquare magic array | PWK521D9F5 | object | open | Wikidata Q130301071, OEIS A355256 |
| 3 | SJDCF896R6 | statement | open | Wikidata Q201, MathWorld 3, ProofWiki 3 |
| 3-manifold | ZRXDWFD9GN | unknown | open | Wikidata Q526901, EoM Three-dimensional_manifold, nLab 3-manifold |
| 3-sphere | 2Y8VDQ7RGV | unknown | open | Wikidata Q2274197, MathWorld Glome, nLab 3-sphere |
| 30 | 9XN762YGKX | unknown | open | Wikidata Q42817, MathWorld 30 |
| 30-60-90 triangle | 77288AK5FV | unknown | open | Wikidata Q105332790, MathWorld 30-60-90Triangle |
| 30XPQS5JSJ | 30XPQS5JSJ | statement | open | Wikidata Q3527194, MathWorld LHuiliersTheorem |
| 3467HV0ZBG | 3467HV0ZBG | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q25935064, nLab Davesh Maulik |
| 370 | MEDZ41KZQJ | statement | open | Wikidata Q1095791, ProofWiki 370 |
| 391GBW4R61 | 391GBW4R61 | statement | open | Wikidata Q38582, MathWorld 14, ProofWiki 14 |
| 3D mirror symmetry | W6FEF8Q43P | unknown | open | Wikidata Q16001071, nLab 3d mirror symmetry |
| 4 | 7HJ1NM09CV | statement | open | Wikidata Q202, MathWorld 4, ProofWiki 4 |
| 4-manifold | QE8SSVKTJ6 | unknown | open | Wikidata Q2566544, EoM Four-dimensional_manifold, nLab 4-manifold |
| 4-polytope | 5FWXWKWYAT | unknown | open | Wikidata Q2155148, MathWorld Polychoron |
| 4-simplex | Y1PGP0DDQ2 | unknown | open | Wikidata Q1634717, MathWorld Pentatope |
| 4-sunlet graph | CWPGR3DYBD | unknown | open | Wikidata Q136694099, House of Graphs 48 |
| 4-tuple | 2E38MSF8YV | unknown | open | Wikidata Q3927329, MathWorld Quadruple |
| 42 | SGC28TPNEV | unknown | open | Wikidata Q812996, MathWorld 42 |
| 4×4 Sudoku graph | R7HV8V00X4 | unknown | open | Wikidata Q137761568, House of Graphs 56142 |
| 5-manifold | 4CSSRSNGRA | unknown | open | Wikidata Q4639668, nLab 5-manifold |
| 5-tuple | 3BMNYH94QY | unknown | open | Wikidata Q41205798, MathWorld Quintuple |
| 557 | 1S5SPB9TKQ | statement | open | Wikidata Q923333, ProofWiki 557 |
| 57-cell | Z5QSH0JVSY | unknown | open | Wikidata Q4640774, MathWorld 57-Cell |
| 5778 | 4AMDZF9QHY | statement | open | Wikidata Q19247891, ProofWiki 5778 |
| 5P29A9CRNV | 5P29A9CRNV | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q1371086, nLab Ethan Devinatz |
| 5XZ02J94GD | 5XZ02J94GD | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q151746, nLab François Englert |
| 6-j symbol | 1K6H4ZM0QF | unknown | open | Wikidata Q2606520, MathWorld Wigner6j-Symbol |
| 6-sphere | X8CQ2236NH | unknown | open | Wikidata Q63197244, nLab 6-sphere |
| 6-sphere coordinates | SWT8ERHZX3 | unknown | open | Wikidata Q4641575, MathWorld 6-SphereCoordinates |
| 60-60-60 Triangle | SK2C640M9M | concept | open | Wikidata Q105332798, MathWorld 60-60-60Triangle |
| 600-cell | QXY4KSY5EN | unknown | open | Wikidata Q2610844, MathWorld 600-Cell, nLab 600-cell |
| 609HZ6CCDE | 609HZ6CCDE | topic | open | Wikidata Q114705250 |
| 65537-gon | 7T207VZ6H3 | unknown | open | Wikidata Q253731, MathWorld 65537-gon |
| 666 | PDXD0VSTT1 | statement | open | Wikidata Q213058, MathWorld BeastNumber, ProofWiki 666, Wikidata Q666 |
| 6DSMPJK882 | 6DSMPJK882 | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q15857471, nLab Eldon Dyer |
| 6KQ6K4PX0Q | 6KQ6K4PX0Q | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q1079749, nLab Christian Fronsdal |
| 6Y402AQH3T | 6Y402AQH3T | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q536457, ProofWiki Mathematician:Marcus_Peter_Francis_du_Sautoy |
| 6₂ | B9WNHYD2FR | unknown | open | Wikidata Q4642850, MathWorld MillerInstituteKnot |
| 7-sphere | M5PWYPBG72 | unknown | open | Wikidata Q62577207, nLab 7-sphere |
| 77 | 9QZ7BBSE47 | statement | open | Wikidata Q713167, ProofWiki 77 |
| 7M82X1XEXC | 7M82X1XEXC | topic | open | Wikidata Q114704219 |
| 7S0ENFVBEK | 7S0ENFVBEK | unknown | open | Wikidata Q136090830, House of Graphs 49433 |
| 7WMHNFCD3Q | 7WMHNFCD3Q | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q14491931, nLab Thomas Streicher |
| 8JQN27HHMJ | 8JQN27HHMJ | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q14382, ProofWiki Symbols:Greek/Beta |
| 8Y9963FY60 | 8Y9963FY60 | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q29789551, nLab Philip Argyres |
| 9-j symbol | 8PDR10Y83V | concept | open | Wikidata Q878723, MathWorld Wigner9j-Symbol |
| 90 | JGXACE82EJ | unknown | open | Wikidata Q239346, MathWorld 90 |
| 9604 | 615J4ASERK | statement | open | Wikidata Q19272704, ProofWiki 9604 |
| 9999 | KP0Q88B6WZ | statement | open | Wikidata Q2607589, ProofWiki 9999 |
| ¬ | S78DYPETC8 | unknown | open | Wikidata Q3874245, MathWorld NegationSign |
| ± | 5X63TFM3GS | unknown | open | Wikidata Q260387, MathWorld PlusorMinus |
| ¼ | HR246MF9NB | unknown | open | Wikidata Q2310416, MathWorld Quarter |
| ½ | T7V391H2WS | unknown | open | Wikidata Q2114394, MathWorld Half |
| × | EF72RF330W | unknown | open | Wikidata Q1900125, MathWorld MultiplicationSign |
| ångström | BS4G431EMN | definition | open | Wikidata Q81454, ProofWiki Definition:Metric_System/Length/Angstrom |
| Édouard Goursat | CS65V7DMEP | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q274322, nLab Édouard Goursat, ProofWiki Mathematician:Édouard_Jean-Baptiste_Goursat |
| Édouard Lucas | 90RNZRJMC0 | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q274377, ProofWiki Mathematician:François_Édouard_Anatole_Lucas |
| Élie Cartan | FCTNHACKVX | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q274639, nLab Élie Cartan, ProofWiki Mathematician:Élie_Joseph_Cartan |
| Émile Baudot | HD6AZ90FJY | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q550192, ProofWiki Mathematician:Émile_Baudot |
| Émile Borel | 9DPWY4G862 | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q154356, EoM Borel,_Émile, nLab Émile Borel, ProofWiki Mathematician:Félix_Édouard_Justin_Émile_Borel |
| Émile Lemoine | JREP6N6MWQ | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q286074, ProofWiki Mathematician:Émile_Michel_Hyacinthe_Lemoine |
| Émile Léonard Mathieu | NGZ7TY4FGM | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q286161, ProofWiki Mathematician:Émile_Léonard_Mathieu |
| étale algebra | 63SYGZ3882 | unknown | open | Wikidata Q17097882, nLab étale algebra |
| étale homotopy type | NTRK0C3DHN | unknown | open | Wikidata Q17011031, nLab étale homotopy |
| étale morphism | C0NYJWWWFB | unknown | open | Wikidata Q8078428, nLab étale map |
| étale topology | 4D73EPR2HJ | unknown | open | Wikidata Q8078427, EoM Etale_topology, nLab étale site |
| étale topos | G5ZMYA6CNX | unknown | open | Wikidata Q17011044, nLab étale topos |
| Étienne Bézout | DPXBSZKATJ | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q289471, ProofWiki Mathematician:Étienne_Bézout |
| Étienne Pascal | F2VQZ90KCZ | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q2140187, ProofWiki Mathematician:Étienne_Pascal |
| Évariste Galois | 4T2GGJS88C | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q7091, nLab Évariste Galois, ProofWiki Mathematician:Évariste_Galois |
| Øystein Ore | YF33AZGBJ7 | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q329846, nLab Øystein Ore, ProofWiki Mathematician:Øystein_Ore |
| Āryabhaṭīya | NMZ4XZ08JQ | unknown | out_of_scope (a book, not an item of mathematics) | Wikidata Q3518429, ProofWiki Book:Aryabhata_the_Elder/Aryabhatiya |
| Čech cohomology | 610E6YJC6Y | topic | open | Wikidata Q1095535, EoM Čech_cohomology, nLab Čech cohomology |
| Α/α | 5CJ90WB07W | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q9887, ProofWiki Symbols:Greek/Alpha |
| Γ | F2R46HDT5G | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q14387, ProofWiki Symbols:Greek/Gamma |
| Ζ | TDYHEFZG6A | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q14394, ProofWiki Symbols:Greek/Zeta |
| Η | HCX826JZGZ | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q14396, ProofWiki Symbols:Greek/Eta |
| Θ/θ | 52ASYB7X4C | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q14398, ProofWiki Symbols:Greek/Theta |
| Λ | DNCZC0Y7X3 | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q10897, ProofWiki Symbols:Greek/Lambda |
| μ operator | S8VB28974P | unknown | open | Wikidata Q307772, MathWorld Mu-Operator |
| μ-recursive function | TK0R173WKE | unknown | open | Wikidata Q284164, EoM Recursive_function, MathWorld RecursiveFunction, nLab recursive function |
| Μ/μ | 9YPJGVDJBK | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q9902, ProofWiki Symbols:Greek/Mu |
| Ξ/ξ | FYYH4M1DK4 | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q14406, ProofWiki Symbols:Greek/Xi |
| Ο/ο | 18YA32SXZR | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q14408, ProofWiki Symbols:Greek/Omicron |
| Ρ | KS1J7CF943 | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q14412, ProofWiki Symbols:Greek/Rho |
| Σ | E8ZA87RFB6 | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q14413, MathWorld Sigma, ProofWiki Symbols:Greek/Sigma |
| σ-finite measure | GKPQ7M6KK0 | definition | open | Wikidata Q291430, ProofWiki Definition:Sigma-Finite_Measure |
| Τ | 3XV70YKG9R | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q14415, MathWorld Tau, ProofWiki Symbols:Greek/Tau |
| Υ | B10PYV05KF | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q14423, ProofWiki Symbols:Greek/Upsilon |
| Φ/φ | PZTXGJC3WV | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q10029, ProofWiki Symbols:Greek/Phi |
| Χ/χ | 6AARDKE71C | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q14425, ProofWiki Symbols:Greek/Chi |
| Ψ | Q8HHZ1H1CS | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q14432, ProofWiki Symbols:Greek/Psi |
| ω-meson | MYSKG2JEW4 | unknown | open | Wikidata Q424134, nLab ω-meson |
| Ω/ω | HF27RW7GWZ | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q9890, ProofWiki Symbols:Greek/Omega |
| א | 11NQ7KFE1C | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q16725860, ProofWiki Symbols:Hebrew/Aleph |
| ב | B49KZFKF6H | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q15049, ProofWiki Symbols:Hebrew/Beth |
| ג | 33ARVBANRF | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q15074, ProofWiki Symbols:Hebrew/Gimel |
| ד | 1ZM8594MSC | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q15080, ProofWiki Symbols:Hebrew/Daleth |
| “Surely You're Joking, Mr. Feynman!” | 3WY5AX4ZRK | unknown | out_of_scope (a book, not an item of mathematics) | Wikidata Q2743592, ProofWiki Book:Richard_P._Feynman/Surely_You're_Joking,_Mr._Feynman! |
| “What Do You Care What Other People Think?” | WW9BXQJ5SZ | unknown | out_of_scope (a book, not an item of mathematics) | Wikidata Q2712899, ProofWiki Book:Richard_P._Feynman/What_Do_You_Care_What_Other_People_Think? |
| † | 84YJYQF78M | unknown | open | Wikidata Q282364, MathWorld Dagger |
| ‡ | NGSKNHVBX6 | unknown | open | Wikidata Q87523318, MathWorld DoubleDagger |
| ∇ | DC8288HDD6 | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q937750, ProofWiki Symbols:Nabla |
| ∈ | TNQGPT1KZW | unknown | out_of_scope (a notation: the notation register holds it (corpus spec K10.4)) | Wikidata Q2221333, ProofWiki Symbols:Set_Theory/Element |
| −1 | 804KHENA47 | statement | open | Wikidata Q310395, ProofWiki -1 |
| ∓ | W1G8VVWP6G | unknown | open | Wikidata Q87524447, MathWorld MinusorPlus |
| ∪ | 2B793CRWHR | unknown | open | Wikidata Q87524502, MathWorld Cup |
| ◊ | FBN208Z7W3 | unknown | open | Wikidata Q13127755, MathWorld Lozenge |
| 𝑛-tuple | JY0E67FB59 | unknown | open | Wikidata Q600590, MathWorld n-Tuple |
| 𝑝-group | 1WB316ECB3 | definition | open | Wikidata Q286972, EoM P-group, MathWorld p-Group, ProofWiki Definition:P-Group |