| Ruggles, Steven | RX44QDKGBX | unknown | open | Wikipedia List of statisticians#ZSN8 |
| Rui Loja Fernandes | 9MFSZ5G4EY | topic | open | Wikipedia Rui Loja Fernandes, Wikidata Q30143482 |
| Rui Song | 20RTWPCWYH | topic | open | Wikipedia List of fellows of the American Statistical Association#EF3L |
| Rui Song | S4RDCDXC1X | topic | open | Wikipedia Rui Song, Wikidata Q102338469 |
| Ruijsenaars–Schneider model | 4SRH68ZYSS | definition | open | Wikipedia Ruijsenaars–Schneider model, Wikidata Q135013297 |
| Ruin theory | 307XCT3M8K | topic | open | Wikipedia List of statistics articles#FTAK |
| Ruin theory | HMR06WAAGH | topic | open | Wikipedia Ruin theory, Wikidata Q17082609 |
| Ruixiang Zhang | 6XK0CYCBXW | topic | open | Wikipedia Ruixiang Zhang, Wikidata Q102976178 |
| Rule 102 | ZVX1HFR7NN | unknown | open | Wikipedia Rule 90#MMOC |
| Rule 110 | 9049JE4MBR | definition | open | Wikidata Q1876486, MathWorld Rule110, Wikipedia Rule 110 |
| Rule 110 | SQ2Q85KMH8 | definition | open | Wikipedia List of undecidable problems#F4FF |
| Rule 150 | D5VGA9G8ER | unknown | open | Wikipedia Elementary cellular automaton#I0EI |
| Rule 158 | FJJ6P2KEY4 | unknown | open | Wikipedia Elementary cellular automaton#Z3G3 |
| Rule 184 | JTYY2JAX6K | definition | open | Wikipedia Rule 184, Wikidata Q2183161 |
| Rule 188 | P4JBKJ7EAP | unknown | open | Wikipedia Elementary cellular automaton#PWIO |
| Rule 190 | 52SZWM5B8G | unknown | open | Wikipedia Elementary cellular automaton#80DT |
| Rule 220 | Q3ZDAVQ9RA | unknown | open | Wikipedia Elementary cellular automaton#0HMN |
| Rule 222 | W26CSAFBVG | unknown | open | Wikipedia Elementary cellular automaton#M6CF |
| Rule 28 | ST3ETJ3T7A | unknown | open | Wikipedia Elementary cellular automaton#T6TI |
| Rule 30 | D8H6CZ9AZ3 | unknown | open | Wikidata Q2918510, MathWorld Rule30 |
| Rule 54 | VQK0JTG8VC | unknown | open | Wikipedia Elementary cellular automaton#X63E |
| Rule 60 | BB14J8CP0Y | unknown | open | Wikipedia Elementary cellular automaton#LI1U |
| Rule 90 | GEX019V43A | definition | open | Wikidata Q7378926, MathWorld Rule90, Wikipedia Rule 90 |
| Rule 94 | Q1172ZY9KQ | unknown | open | Wikipedia Elementary cellular automaton#J7TR |
| Rule Language | SVHVWW6ZBY | 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 math/0003117#CX1R |
| Rule of 70 | HP2Y95V7VS | unknown | open | Wikipedia List of exponential topics#7E7L |
| rule of 72 | H1V77CM1V3 | unknown | open | Wikidata Q264016, MathWorld Ruleof72 |
| Rule of division | 1A2M8K6Q2J | definition | open | Wikipedia Rule of division (combinatorics), Wikidata Q96403087 |
| rule of inference | 126Y0800YD | definition | open | Wikidata Q1068763, MathWorld RuleofInference, Wikipedia Rule of inference |
| rule of inference | HPC0AST5BJ | definition | open | Wikipedia Glossary of logic#755Z |
| Rule of inference | R27R7BDR4M | definition | open | open_logic content/first-order-logic/axiomatic-deduction/rules-and-proofs.tex#defn-2 |
| Rule of mixtures | W6Q1ZNE46H | definition | open | Wikipedia Rule of mixtures, Wikidata Q7378968 |
| rule of product | SMEW0A1CWG | definition | node (a node has the same Wikidata item as the row) | Wikidata Q557624, MathWorld MultiplicationPrinciple, Wikipedia Rule of product |
| Rule of replacement | APDFGVMYYD | definition | open | Wikipedia Rule of replacement, Wikidata Q1361787 |
| rule of replacement | VNQS9J8FRR | definition | open | Wikipedia Glossary of logic#4LC5 |
| Rule of Sarrus | H5KEE0N9AZ | definition | open | Wikipedia Rule of Sarrus, Wikidata Q913837 |
| Rule of succession | 1SWYPTEKXX | definition | open | Wikipedia Rule of succession, Wikidata Q3823926 |
| Rule of succession | C0X4T6FYP5 | definition | open | Wikipedia List of analyses of categorical data#K8JW, Wikipedia List of statistics articles#NX7U, Wikipedia List of probability topics#4V72 |
| Rule of three | 22YAZ4XAVM | definition | open | Wikipedia Rule of three (statistics), Wikidata Q7378983 |
| Rule of three (mathematics) | FMNQZ2ZAE6 | unknown | open | Wikipedia Cross-multiplication#3BOF |
| Rule of three (medicine) | 464SSCATX9 | definition | open | Wikipedia List of analyses of categorical data#UTSB, Wikipedia List of statistics articles#SZPW |
| Rule of twelfths | 9Z34JHJDQE | definition | open | Wikipedia Rule of twelfths, Wikidata Q1241829 |
| rule, formation | GPABRKBQ6D | concept | open | hott_book index/A.5/rule-formation |
| rule, formation | NF4252WXPD | concept | open | hott_book index/4.2.4/rule-formation |
| rule, introduction | 6PT5N3Q4KW | concept | open | hott_book index/4.2.4/rule-introduction |
| rule, rewriting | 832AANM4QT | concept | open | hott_book index/4.4/rule-rewriting |
| rule, structural | 34J0RVYSK8 | concept | open | hott_book index/4.2.2/rule-structural |
| rule, versus axioms | EHHB1T8HWF | concept | open | hott_book index/A.1/rule-versus-axioms |
| Rule-based machine learning | ZW7J85E951 | definition | open | Wikipedia Rule-based machine learning, Wikidata Q28324910 |
| ruled | XV70S1KKVQ | definition | open | Wikipedia Glossary of classical algebraic geometry#QG2O |
| Ruled join | 30F7A8DH1C | definition | open | Wikipedia Ruled join, Wikidata Q55615274 |
| Ruled surface | W9XDR8TQ57 | definition | open | Wikipedia List of algebraic geometry topics#XQOI |
| ruled surface | XHGKJPQFVG | definition | open | Wikidata Q840376, MathWorld RuledSurface, Wikipedia Ruled surface |
| ruler | VB6EBP3CDC | definition | open | Wikidata Q104555, MathWorld Ruler, Wikipedia Ruler |
| ruler function | H0YGFYB1E1 | definition | open | Wikidata Q111940079, MathWorld RulerFunction, Wikipedia Ruler function |
| Rules | ESH0Y3XWSY | 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 math/0003117#HRMR |
| Rules extraction system family | 15NRNSV4A3 | definition | open | Wikipedia Rules extraction system family, Wikidata Q25051525 |
| Rules for quantifiers | R3W3C7NNEN | definition | open | open_logic content/first-order-logic/axiomatic-deduction/axioms-rules-quantifiers.tex#defn-2 |
| rules of chess | KXWAV1G1MP | definition | open | Wikidata Q3392263, ProofWiki Definition:Chess/Rules |
| Rules of passage | EFV7XKR666 | definition | open | Wikipedia Rules of passage, Wikidata Q7379044 |
| rules of type theory | FEZBEEZJ55 | concept | open | hott_book index/4/rules-of-type-theory |
| Rules with at most one premise | 79GDT1R4TV | 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 2609.33469#OMLM |
| Rulkov map | 7BEXSEB82B | definition | open | Wikipedia Rulkov map, Wikidata Q7379072 |
| Rumely | 53VZZSPEWH | 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 2609.39505#O8SZ |
| Rummler–Sullivan theorem | SP8Y5ZKZKK | statement | open | Wikipedia Taut foliation#6JAV |
| Run chart | Q5Q4Z168G4 | definition | open | Wikipedia Run chart, Wikidata Q7379549 |
| Run chart | TQWZQT0HMS | definition | open | Wikipedia List of statistics articles#TZGT, Wikipedia List of graphical methods#84QV |
| Run formula for arbitrary degree | 7CEH6GWXYA | 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 2609.23781#C9HZ |
| Run-length encoding | 2PXJ5YZH1Z | definition | open | Wikipedia List of algorithms#8DW6 |
| Run-length encoding | CQTWMNW9Z1 | definition | open | Wikipedia Run-length encoding, Wikidata Q2797 |
| Run-length encoding | MG3S5DV3GP | definition | open | Wikipedia List of computer graphics and descriptive geometry topics#84J1 |
| Runcic 5-cubes | 4JCSD1SQWQ | definition | open | Wikipedia Runcic 5-cubes, Wikidata Q5033579 |
| Runcic 6-cubes | QTV1QG999K | definition | open | Wikipedia Runcic 6-cubes, Wikidata Q5033585 |
| Runcinated 120-cells | 3WWEX1W1VA | definition | open | Wikipedia Runcinated 120-cells, Wikidata Q7379700 |
| Runcinated 16-cell honeycomb | B09FEJHYEY | definition | open | Wikipedia Runcinated 16-cell honeycomb, Wikidata Q17078240 |
| Runcinated 24-cell honeycomb | 6A9DSV4P3S | definition | open | Wikipedia Runcinated 24-cell honeycomb, Wikidata Q17078251 |
| Runcinated 24-cells | NKZ7TYZ521 | definition | open | Wikipedia Runcinated 24-cells, Wikidata Q7379702 |
| Runcinated 5-cell | S2DHT640PG | definition | open | Wikipedia Runcinated 5-cell, Wikidata Q7379705 |
| Runcinated 5-cubes | MGVCY8HFK6 | definition | open | Wikipedia Runcinated 5-cubes, Wikidata Q7379701 |
| Runcinated 5-orthoplexes | VGH3TZEH82 | definition | open | Wikipedia Runcinated 5-orthoplexes, Wikidata Q7379703 |
| Runcinated 5-simplexes | 7Q141Z2RS5 | definition | open | Wikipedia Runcinated 5-simplexes, Wikidata Q7379706 |
| Runcinated 7-cubes | 2JKY6D1MT1 | definition | open | Wikipedia Runcinated 7-cubes, Wikidata Q7379711 |
| Runcinated alternated cubic honeycomb | 1S8ZWJ2ZJ3 | definition | open | Wikipedia List of mathematical shapes#NYRU, Wikipedia List of polygons, polyhedra and polytopes#TKJL |
| Runcinated order-6 dodecahedral honeycomb | AW1V1QAA4M | unknown | open | Wikipedia Order-6 dodecahedral honeycomb#WYZU |
| Runcinated tesseractic honeycomb | NYDBWND0AP | definition | open | Wikipedia Runcinated tesseractic honeycomb, Wikidata Q17007205 |
| Runcinated tesseracts | 9N9RX7RVAD | definition | open | Wikipedia Runcinated tesseracts, Wikidata Q7379717 |
| Runcination | H661SD76T1 | unknown | open | Wikipedia List of polygons, polyhedra and polytopes#PPBO |
| Runcitruncated cubic honeycomb | 6KVCDBQ97K | object | open | Wikipedia List of mathematical shapes#ES7R, Wikipedia List of polygons, polyhedra and polytopes#6BS1 |
| Runcitruncated order-6 tetrahedral honeycomb | F0CZN6FYQF | unknown | open | Wikipedia Order-6 tetrahedral honeycomb#IUC2 |
| Runcitruncated tesseractic honeycomb | 7QDSKJGSP8 | definition | open | Wikipedia Runcitruncated tesseractic honeycomb, Wikidata Q17007217 |
| Rung $2''$ | 73CGK8SDEW | 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 2609.27766#1768 |
| Rung $4'$ | 4BC4XKZ64P | 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 2609.27766#PXJM |
| Rung 1 | NGBDM4JEKV | 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 2609.27766#CYQ9 |
| Rung 2 | MXX0F1SJGT | 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 2609.27766#NQ3H |
| Rung 3 | YEJ7KS7NDC | 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 2609.27766#G3B6 |
| Rung 4 | GTMVYFM5G6 | 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 2609.27766#ITIY |
| Rung 5 | HBVF97P6NN | 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 2609.27766#MD9W |
| Rung 6 | 66ES9GFWHT | 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 2609.27766#RZPT |
| Rung A: from $H_{1}\big(SC_{n-2}(R_{w-2,2})\big)$ to $H_{1}\big(SC_{n}(R_{w,2};1;1)\big)$ | E6SW1GJ4FP | 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 2610.12633#0P9F |
| Rung B: from $H_{1}\big(SC_{n}(R_{w,2};1;1)\big)$ to $H_{1}\big(SC_{n}(R_{w,2};1)\big)$ | NDSFPZT9A8 | 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 2610.12633#06E6 |