| National Standard for Incident Recording (England and Wales) | YC88D1KBCT | unknown | open | Wikipedia Crime statistics in the United Kingdom#4Q5H |
| National Statistical Coordination Board | 7QYJ5HV9Q2 | unknown | open | Wikipedia Philippine Statistics Authority#4RAK |
| National Statistical Office of Malawi | D22R2TG1NX | definition | open | Wikipedia National Statistical Office of Malawi, Wikidata Q18391614 |
| National Statistics and Information Authority | YJ75PTR1BF | definition | open | Wikipedia National Statistics and Information Authority, Wikidata Q5061867 |
| National Statistics Office | HH4CK95A92 | definition | open | Wikipedia National Statistics Office (Nepal), Wikidata Q16858659 |
| National Statistics Office (Philippines) | WY2J5H1Z3H | unknown | open | Wikipedia Philippine Statistics Authority#5NZV |
| National Statistics Socio-economic Classification | 9XGECHCXY7 | definition | open | Wikipedia National Statistics Socio-economic Classification, Wikidata Q6978693 |
| National Survey of Family Growth | YWEZ0TTN6W | definition | open | Wikipedia National Survey of Family Growth, Wikidata Q17070897 |
| National Survey of Sexual Attitudes and Lifestyles | VSSWNS884X | definition | open | Wikipedia National Survey of Sexual Attitudes and Lifestyles, Wikidata Q6978784 |
| National Transportation Atlas Database | VJ7SYCVDCB | unknown | open | Wikipedia Bureau of Transportation Statistics#LH38 |
| National University of Singapore | 1RZY5JSPE8 | definition | open | Wikipedia National University of Singapore, Wikidata Q738236 |
| National Vital Statistics System | G9WXWTVQNM | definition | open | Wikipedia National Vital Statistics System, Wikidata Q17144262 |
| Native space associated with an admissible operator $\Lop$ | TZEFM9H8PQ | 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 2610.14920#0DC7 |
| natural | JM4Q21134P | definition | open | Wikipedia Glossary of mathematical jargon#RD2N |
| natural | P4NVZQR91Q | definition | open | Wikipedia Glossary of set theory#92LI |
| natural | WQVQYAM371 | definition | open | Wikipedia Glossary of category theory#H0JN |
| Natural algebraic subloci of foliation components | CQAXNBT21H | problem | 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 2609.26152#KXHL |
| Natural and Political Observations upon the Bills of Mortality | ZTWMQ1YCRG | unknown | open | Wikipedia John Graunt#JZFP |
| Natural boundary | T4BGBBA9MT | unknown | open | Wikipedia Analytic continuation#70TD |
| natural bundle | TFK7ZRSZG4 | definition | open | Wikidata Q36775500, nLab natural bundle, Wikipedia Natural bundle |
| natural deduction | 5R025R12ZQ | definition | open | Wikidata Q1572108, nLab natural deduction, Wikipedia Natural deduction |
| natural deduction | 9VAMXQTSSR | definition | open | Wikipedia Glossary of logic#WLG5 |
| Natural density | 3W5Q1ME8F5 | definition | open | Wikipedia List of exceptional set concepts#74X8 |
| Natural density | C5MEHZTNY3 | definition | open | Wikipedia Natural density, Wikidata Q752723 |
| natural domain | KVB7KKP1C1 | concept | open | Wikidata Q110924026, MathWorld NaturalDomain |
| Natural element method | XMK0VAP4ND | definition | open | Wikipedia Natural element method, Wikidata Q65126735 |
| Natural experiment | 4BTAQX7BCH | definition | open | Wikipedia Natural experiment, Wikidata Q6980675 |
| Natural experiment | 4GQJ8HY6KW | definition | open | Wikipedia List of statistics articles#7GFY |
| Natural exponential family | 64FA55V6X1 | definition | open | Wikipedia List of statistics articles#W2LS |
| Natural exponential family | 7D4C2ERG9C | definition | open | Wikipedia Natural exponential family, Wikidata Q17099337 |
| natural exponential function | J9X941ZY24 | unknown | open | Wikidata Q47306354, EoM Exponential_function, MathWorld NaturalExponentialFunction |
| Natural filtration | 7SKCS82P65 | definition | open | Wikipedia Natural filtration, Wikidata Q6980678 |
| natural frequency | AQQFK2KA1V | concept | open | lebl_diffyqs index/10.6.2/natural-frequency |
| Natural frequency | P00RAMRYAG | definition | open | Wikipedia Natural frequency (statistics), Wikidata Q135927637 |
| natural isomorphism | FVZ33ZKQQK | definition | open | Wikidata Q110535030, MathWorld NaturalIsomorphism, nLab natural isomorphism, ProofWiki Definition:Natural_Isomorphism |
| natural language | CY0GHZ5BY6 | definition | open | Wikidata Q33742, ProofWiki Definition:Natural_Language, Wikipedia Natural language |
| natural language | QJXRTG4FSX | definition | open | Wikipedia Glossary of logic#9X86 |
| Natural Language Semantics | 5E6H1JY4MD | definition | open | Wikipedia Natural Language Semantics, Wikidata Q6980544 |
| Natural language semantics and type theory | WGN2T6B3T1 | unknown | open | Wikipedia Type theory#27FT |
| natural logarithm | 1PZGXVC44Z | object | node (a node has the same name as the row) | Wikidata Q204037, MathWorld NaturalLogarithm, Wikipedia Natural logarithm |
| Natural logarithm | 7XXNH9CRQT | object | open | Wikipedia List of mathematical abbreviations#HPUU |
| Natural logarithm | 9MKC81XSRH | object | open | Wikipedia List of logarithmic identities#WD1O |
| Natural logarithm | VDSZF6MCWR | object | open | Wikipedia List of mathematical abbreviations#ZM2I |
| natural logarithm | WCWGSR2ZY7 | definition | open | Wikipedia Glossary of calculus#9D6B |
| Natural logarithm | X91KC53MTV | object | open | Wikipedia List of calculus topics#GBTG |
| natural logarithm of 2 | 7SQD3Q74RX | definition | open | Wikidata Q5963772, MathWorld NaturalLogarithmof2, OEIS A002162, ProofWiki Definition:Mercator's_Constant, Wikipedia Natural logarithm of 2 |
| Natural logarithm plus 1 | 4FHQ014Z07 | object | open | Wikipedia List of mathematical abbreviations#XGI5 |
| Natural logarithm plus 1 | WK1BFX2DMJ | object | open | Wikipedia List of mathematical abbreviations#344N |
| Natural merge sort | 7Z5245QC0Z | unknown | open | Wikipedia Merge sort#PX94 |
| natural mode of oscillation | MYSR6E0KF3 | concept | open | lebl_diffyqs index/10.6.2/natural-mode-of-oscillation |
| natural norm | 1Y7F05WEPA | unknown | open | Wikidata Q1971708, MathWorld NaturalNorm |
| natural number | 3E9DTTPXHH | definition | node (a node has the same Wikidata item as the row) | Wikidata Q21199, EoM Natural_number, MathWorld NaturalNumber, Wikipedia Natural number |
| natural number | CD5X4YDMMQ | definition | open | Wikipedia Glossary of category theory#NCEC |
| Natural number | HGQCSJTQQJ | definition | open | Wikipedia List of types of numbers#LMFZ |
| natural number object | G0XP7MF541 | definition | open | Wikidata Q6980740, nLab natural numbers object, Wikipedia Natural numbers object |
| Natural Number Term Predicate $\textsf{Nat}_i$ | DVXM23RN8Z | 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 2610.21131#0DN2 |
| Natural Number Type Predicate $\textsf{Nat}_i$ | 8DR1DRG9VY | 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 2610.21131#QWAM |
| natural numbers | 5CS134GESA | concept | open | hott_book index/5.10/natural-numbers |
| natural numbers | B1NPBCTJTA | concept | open | hott_book index/8.1/natural-numbers |
| natural numbers | C3GS4FA8FT | concept | open | hott_book index/A.9/natural-numbers |
| natural numbers | J6206SCWPB | concept | open | hott_book index/1.13/natural-numbers |
| natural numbers | MY9WGKRZ7S | concept | open | hott_book index/4.2.9/natural-numbers |
| natural numbers | SH052S1R2W | concept | open | applied_combinatorics index/B.7/natural-numbers |
| natural numbers | SWPRHQ30J7 | definition | open | Wikipedia Glossary of logic#QNUI |
| natural numbers | XVNXAWH7SN | concept | open | levin_dmoi index/1.3.1/natural-numbers |
| natural numbers | ZSQH0V23DC | definition | open | Wikipedia List of mathematical abbreviations#NO29 |
| Natural numbers and the axiom of infinity | SEHCH40DT7 | statement | open | Wikipedia New Foundations#YRJZ |
| natural numbers, as homotopy-initial algebra | RWSNZA72N7 | concept | open | hott_book index/8.4/natural-numbers-as-homotopy-initial-algebra |
| natural numbers, encoded as $\lst\unit$ | 6XH0Q8CAZW | concept | open | hott_book index/8.2/natural-numbers-encoded-as-lst-unit |
| natural numbers, encoded as a $\w$-type | 8VSC3FRC04 | concept | open | hott_book index/8.5/natural-numbers-encoded-as-a-w-type |
| natural numbers, encoded as a $\w$-type | DRKS6JK96M | concept | open | hott_book index/8.3/natural-numbers-encoded-as-a-w-type |
| natural numbers, isomorphic definition of | 924T499V9T | concept | open | hott_book index/8.2/natural-numbers-isomorphic-definition-of |
| Natural parameter continuation | GGGKTCTRAS | unknown | open | Wikipedia Numerical continuation#H3O5 |
| Natural process variation | 5GW22R6PJ8 | definition | open | Wikipedia Natural process variation, Wikidata Q6980756 |
| Natural process variation | 9YFEDJSQ46 | definition | open | Wikipedia List of statistics articles#LK73 |
| Natural proof | 2QZ4VJFRY6 | definition | open | Wikipedia Natural proof, Wikidata Q6980761 |
| Natural proof | 56ZA5AK3PW | definition | open | Wikipedia List of mathematical logic topics#H4WZ, Wikipedia List of computability and complexity topics#1PSK |
| Natural representation | 1QPWSSWPTE | unknown | open | Wikipedia List of curves topics#YOYN |
| natural sequence | 9PRBXNR5B0 | unknown | open | Wikidata Q138568729, EoM Natural_sequence |
| Natural topology | TD7HW85GDA | definition | open | Wikipedia Natural topology, Wikidata Q6980793 |
| natural transformation | 281ENDTYGR | definition | open | mathlib_overview General algebra > Category theory > natural transformation, Mathlib CategoryTheory.NatTrans, Wikidata Q1442189, EoM Functorial_morphism, MathWorld NaturalTransformation, nLab natural transformation, ProofWiki Definition:Natural_Transformation, Wikipedia Natural transformation |
| natural, isomorphism | 6DK8TZKJPY | concept | open | hott_book index/2.2/natural-isomorphism |
| natural, transformation | 3AQGHAYPHE | concept | open | hott_book index/3.1/natural-transformation |
| natural, transformation | 59FKYV25T6 | concept | open | hott_book index/2.8/natural-transformation |
| Natural-law argument | P1GV0G6AEM | statement | open | Wikipedia Teleological argument#8UZM |
| Natural-neighbor interpolation | T06JATXXK0 | definition | open | Wikipedia Natural-neighbor interpolation, Wikidata Q2534253 |
| Naturalistic fallacy | H3EMBPGVZ3 | definition | open | Wikipedia List of fallacies#KQVI |
| Naturalistic fallacy | P8V96ECJH4 | definition | open | Wikipedia Naturalistic fallacy, Wikidata Q376789 |
| Nature Computational Science | YXWSTV0JJD | definition | open | Wikipedia Nature Computational Science, Wikidata Q130711095 |
| Nature Reviews Methods Primers | HWX61Y4HEB | definition | open | Wikipedia Nature Reviews Methods Primers, Wikidata Q116181211 |
| Naum Akhiezer | JSNRG41B7Z | topic | open | Wikipedia List of people by Erdős number#4HSQ |
| Naum Akhiezer | QHBNX5GGE8 | topic | open | Wikipedia List of Jewish mathematicians#EHNV |
| Naum Akhiezer | RS3Z7CYGQV | topic | out_of_scope (a person, not an item of mathematics) | Wikidata Q1385805, ProofWiki Mathematician:Naum_Ilyich_Akhiezer, Wikipedia Naum Akhiezer |
| Naum Gabo | VC0K6HDYQ6 | unknown | open | Wikipedia List of Ukrainian Jews#REG3 |
| Naum Il'ich Feldman | ZXWJKGN9BR | topic | open | Wikipedia Naum Il'ich Feldman, Wikidata Q37732550 |
| Naum Krasner | C8AR851BAY | unknown | open | Wikipedia List of Ukrainian Jews#QJ3F |
| Naum Meiman | GR3RPA4F6F | topic | open | Wikipedia Naum Meiman, Wikidata Q1985571 |
| Naum Meiman | YJGGGHDHQM | topic | open | Wikipedia List of Jewish mathematicians#U947 |
| Naum Shor | NNVM7VHCW4 | topic | open | Wikipedia List of Jewish mathematicians#7G6Q |
| Naum Sorkin | 39VZ9YXESF | unknown | open | Wikipedia List of Ukrainian Jews#EOJS |