| Archytas | ZCGY2TAR28 | unknown | out_of_scope (a person, not an item of mathematics) | Wikidata Q202001, ProofWiki Mathematician:Archytas_of_Tarentum |
| ARCJZ8VDC7 | ARCJZ8VDC7 | example | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.00789#UNXF |
| Arclength | 4KS880Y2V4 | definition | open | Wikipedia List of calculus topics#C0HR |
| arcminute | Z5GCPBRA1T | definition | open | Wikidata Q209426, EoM Minute, MathWorld ArcMinute, ProofWiki Definition:Angle/Unit/Minute |
| Arcs are distinctions | ENHSVV7XET | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.02219#ABZJ |
| arcsecond | V9FT37GSVA | definition | open | Wikidata Q829073, EoM Second, MathWorld ArcSecond, ProofWiki Definition:Angle/Unit/Second |
| arcsin | APPCFCJ9NT | definition | open | Wikipedia Glossary of calculus#IPN8 |
| arcsine | JS0QGWV5BW | definition | open | Wikidata Q674517, MathWorld InverseSine, ProofWiki Definition:Inverse_Sine |
| arcsine | P17M9546PY | concept | open | active_calculus index/2.6.4/arcsine |
| Arcsine density for the cosine energy | GGWNYFJNNG | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.16351#OVRD |
| Arcsine distribution | 9KVH5KC8WX | definition | open | Wikipedia List of statistics articles#5OES |
| Arcsine distribution | HYBBZ27WFN | definition | open | Wikipedia List of probability distributions#2LUG |
| Arcsine distribution | MK52CJ3YXF | definition | open | Wikipedia Arcsine distribution, Wikidata Q3258262 |
| Arcsine law | C50GHFAW65 | statement | open | Wikipedia Bussgang theorem#4HX5 |
| Arcsine laws | 8FN74VRQTF | statement | open | Wikipedia Wiener process#TW6S |
| Arctangent addition formula | QV27HYXRCZ | statement | open | Wikipedia Inverse trigonometric functions#0BMS |
| arcus cosecant | GB0NZYZG0K | definition | open | Wikidata Q3621817, MathWorld InverseCosecant, ProofWiki Definition:Inverse_Cosecant |
| arcus cotangent | 5YCD9EX872 | definition | open | Wikidata Q385736, MathWorld InverseCotangent, ProofWiki Definition:Inverse_Cotangent |
| arcus secant | R5G3QGBHE4 | definition | open | Wikidata Q2284464, MathWorld InverseSecant, ProofWiki Definition:Inverse_Secant |
| arcus tangent | 7BVKKFQGAM | definition | open | Wikidata Q2257242, MathWorld InverseTangent, nLab arctangent, ProofWiki Definition:Inverse_Tangent |
| ARD86VNB1K | ARD86VNB1K | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.13850#0YR2 |
| ARD8Z30QV2 | ARD8Z30QV2 | example | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.04046#2BPB |
| ARDD2P49PN | ARDD2P49PN | definition | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.17817#SKGZ |
| Ardem Patapoutian | KB6600MSHQ | unknown | open | Wikipedia List of University of California, Los Angeles people#4IAX |
| Arden's lemma | KWF9B81MD8 | unknown | open | mathlib_overview Logic and computation > Formal languages > Arden's lemma, Mathlib Language.self_eq_mul_add_iff |
| Arden's rule | T4ZKRM0M3P | definition | open | Wikipedia Arden's rule, Wikidata Q670618 |
| Arditi–Ginzburg equations | NYS7KCQ784 | unknown | open | Wikipedia List of named differential equations#TT6H |
| Ardroil | 9TXZHP7RYY | unknown | open | Wikipedia List of places with numeric names#MQMX |
| ARDY29A3EW | ARDY29A3EW | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2609.39706#KTPH |
| ARDY9838BY | ARDY9838BY | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.21662#18PZ |
| Are there better axioms? | RBMFAA4HES | statement | open | Wikipedia Triangulated category#939D |
| area | 3VTD7K0YF0 | definition | open | Wikipedia List of triangle inequalities#2MF6 |
| Area | 9WTB8JHY55 | definition | open | Wikipedia Area (graph drawing), Wikidata Q17332320 |
| area | BXMRBXNQ6B | concept | open | active_calculus index/6.1.2/area |
| area | NMA91TPQCC | definition | open | Wikidata Q11500, EoM Area, MathWorld Area, nLab area, Wikipedia Area |
| Area | XNEYCK4MYJ | definition | open | Wikipedia List of integration and measure theory topics#JE6G |
| Area bisector | MYN1FFSF7G | unknown | open | Wikipedia Bisection#0KM7 |
| Area bisector of a triangle | ZE4GCC4D9G | definition | open | Wikipedia List of triangle topics#KZL5 |
| Area chart | STK29GG8TA | definition | open | Wikipedia Area chart, Wikidata Q390083 |
| Area chart | Y82E6K19C7 | definition | open | Wikipedia List of statistics articles#67FW, Wikipedia List of graphical methods#PE2Q |
| Area circle | KA8Z13CWRP | unknown | open | Wikipedia Circle#DQK8 |
| Area compatibility factor | 2FNM6W57JG | definition | open | Wikipedia List of statistics articles#WGH1 |
| Area compatibility factor | FDGGXM2YBX | definition | open | Wikipedia Area compatibility factor, Wikidata Q4788659 |
| Area element | PHXT2E6J1V | unknown | open | Wikipedia Volume element#N8CP |
| Area formula | 7W6ZEDPQV7 | statement | open | Wikipedia Area formula (geometric measure theory), Wikidata Q111914125 |
| Area formula | B6WTC9YCDD | statement | open | Wikipedia Parallelogram#EH75 |
| Area formula | BE59RX9A6K | statement | open | Wikipedia Lévy's stochastic area#BDFA |
| Area formula | YJZDZEPMZR | statement | open | Wikipedia Surface of revolution#YAKF |
| Area Formula, \protect | E6WKBAZSZV | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2601.22681#BLKL |
| Area formulas | MB2ZZN99MH | statement | open | Wikipedia Area#UC12 |
| Area function | DNV43XSMAR | definition | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2609.23872#VOG1 |
| Area identity | BPT11T5864 | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2609.30561#GK4A |
| Area large deviations | 1MMR1JME7G | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.02531#S2UW |
| Area law and confinement | D3SSYD8YF1 | statement | open | Wikipedia Quantum chromodynamics#JJKF |
| Area of a circle | 28T6GNN8WQ | example | open | napkin tex/diffgeo/stokes.tex#ex:area_circle |
| Area of a circle | XCFM60PVMA | definition | open | Wikipedia Area of a circle, Wikidata Q4115331 |
| Area of a geodesic polygon | 5ARZJET357 | unknown | open | Wikipedia Geodesics on an ellipsoid#69QV |
| Area of a rhombus | QJZP2Z06JW | unknown | open | Wikipedia Rhombus#C9H3 |
| Area of a trapezoid | BGY21F6EGF | unknown | open | Wikipedia Trapezoid#5UHO |
| area of a triangle | DPFQN5PVMT | definition | node (a node has the same Wikidata item as the row) | Wikidata Q20183185, MathWorld TriangleArea, ProofWiki Area_of_Triangle, Wikipedia Area of a triangle |
| Area of a word representing the identity | 8D310DF0ZJ | statement | open | Wikipedia Van Kampen diagram#B4W3 |
| Area of an ellipse | RVVNVV4SR4 | unknown | open | Wikipedia Area#SG1E |
| Area rule | 7D6RQHYV09 | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.15265#7UUW |
| Area sampling frame | G53W884AXK | definition | open | Wikipedia Area sampling frame, Wikidata Q124040280 |
| Area sandwich | SMA5YXTPNG | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.02531#LAS9 |
| Area theorem | DYSR8NT69B | statement | open | Wikipedia Altitude (triangle)#NIS6 |
| Area theorem | FKFPNJYPPY | statement | open | mathlib_1000 Q4788680, Wikidata Q4788680, thousand_plus Q4788680, Wikipedia Area theorem (conformal mapping) |
| Area theorem (conformal mapping) | 9V3MTZ3GN4 | statement | open | Wikipedia List of theorems#406Y |
| area under a curve | 3X8WNB50KA | definition | open | Wikipedia Glossary of calculus#N91P |
| Area under the curve (receiver operating characteristic) | 5SBQ79SHKE | unknown | open | Wikipedia Receiver operating characteristic#IPVF |
| Area up to $4\pi$ | XJNQGXBH28 | conjecture | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2609.35360#X2K8 |
| area, under velocity function | WTWRKD2K73 | concept | open | active_calculus index/4.1.2/area-under-velocity-function |
| Area-preserving contact tennis-ball map | J4RZ67F763 | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2609.28014#2U5I |
| Area/volume separation in an adiabatically connected family | TBAMTZKWVA | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.15199#FI8C |
| AREH7TM20M | AREH7TM20M | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.07890#IA6K |
| Arellano–Bond estimator | W3RR75Y3BJ | definition | open | Wikipedia Arellano–Bond estimator, Wikidata Q25109770 |
| AREMOS | 2ZEVPYZGH9 | definition | open | Wikipedia AREMOS, Wikidata Q4653654 |
| Arend Bayer | NZ6HWPWGE5 | unknown | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#7THT |
| Arend Heyting | 9ZMBVW6GN1 | topic | open | Wikipedia List of International Congresses of Mathematicians Plenary and Invited Speakers#XMRQ |
| Arend Heyting | E8XKA2HTT6 | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q641771, nLab Arend Heyting, Wikipedia Arend Heyting |
| Arend Heyting | JKDWVSFT26 | topic | open | Wikipedia List of mathematicians born in the 19th century#UNAC |
| Arend Heyting | P4WPRYAQQQ | topic | open | Wikipedia List of logicians#N93W |
| ARENFSQTTE | ARENFSQTTE | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.17204#0WNO |
| Arens decomposition | F3Z07GDR0G | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2610.13385#QBD9 |
| Arens square | VD1A2W4NJE | unknown | open | Wikipedia List of topologies#73F6 |
| Arens–Fort space | DSWRMFDVGE | definition | open | Wikipedia Arens–Fort space, Wikidata Q642105 |
| Arens–Fort space | HBJ8MCSXJV | definition | open | Wikipedia List of topologies#53BR |
| Aretha Teckentrup | TM70P9PAGV | topic | open | Wikipedia Aretha Teckentrup, Wikidata Q103362291 |
| Arf invariant | N9191DQHGH | definition | open | Wikipedia Glossary of invariant theory#OHMO |
| Arf invariant | YJ3R88QHEZ | concept | open | Wikidata Q4789139, MathWorld ArfInvariant, nLab Arf invariant, Wikipedia Arf invariant |
| Arf invariant of a knot | 55DTBAFBXS | definition | open | Wikipedia Arf invariant of a knot, Wikidata Q4789137 |
| Arf invariant of a knot | PQ5C5SBXK9 | definition | open | Wikipedia List of knot theory topics#9Q5Y |
| Arf ring | S82HGDYNHD | definition | open | Wikipedia Arf ring, Wikidata Q4789138 |
| Arf semigroup | FBXHZ25Q33 | definition | open | Wikipedia Arf semigroup, Wikidata Q4789140 |
| arg | 3X3J0X9MPN | definition | open | Wikipedia List of logarithmic identities#NLOE |
| arg | SBCY4QEHSD | definition | open | Wikipedia List of logarithmic identities#JD0Y |
| Arg max | RJ9HDZ8G2X | definition | open | Wikipedia Arg max, Wikidata Q287353 |
| Arg min | G32SZQB00K | unknown | open | Wikipedia Arg max#G1XQ |
| Argand system | B7ZGWPNV5N | definition | open | Wikipedia Argand system, Wikidata Q4789201 |
| ARGEG8MHZ3 | ARGEG8MHZ3 | statement | record (an item of a paper that no node asks for yet. The record keeps its edges in the record plane (corpus arxiv AX8.6)) | arXiv 2105.13129#B9Y5 |