| Formal definitions | A8RPWSY7QR | definition | open | Wikipedia ♯P#YY66 |
| Formal definitions | AJCG5EYZQF | definition | open | Wikipedia Fibred category#CD1W |
| Formal definitions | AYR5R9NCZ8 | definition | open | Wikipedia Regular chain#K3QT |
| Formal definitions | CCEMSJPECM | definition | open | Wikipedia Noncontracting grammar#2NQR |
| Formal definitions | DYXR69KV2T | definition | open | Wikipedia Sylvester's sequence#PUAI |
| Formal definitions | E3FY2PTXZT | definition | open | Wikipedia Propensity score matching#ORQ4 |
| Formal definitions | E5DFVHRXGZ | definition | open | Wikipedia Context-free grammar#PIQ1 |
| Formal definitions | EWK4ZXANMF | definition | open | Wikipedia Proportional cake-cutting#AERJ |
| Formal definitions | G31G9WFX6N | definition | open | Wikipedia Strategyproofness#D1P8 |
| Formal definitions | G6EMQQSSB1 | definition | open | Wikipedia Triangular decomposition#GVZZ |
| Formal definitions | G7CMG0H9X4 | definition | open | Wikipedia Abstract family of languages#X2OZ |
| Formal definitions | GYFKJHC1Y4 | definition | open | Wikipedia Path ordering (term rewriting)#B16D |
| Formal definitions | HF4R2R59W6 | definition | open | Wikipedia Hille–Yosida theorem#AH2W |
| Formal definitions | HNWHJ9D9K6 | definition | open | Wikipedia Tangent space#WAP4 |
| Formal definitions | K4VMJMFW1N | definition | open | Wikipedia P versus NP problem#6G5D |
| Formal definitions | KMH0C5N8P5 | definition | open | Wikipedia Inductive dimension#KE9V |
| Formal definitions | KR262E0BNF | definition | open | Wikipedia Orbifold#XK41 |
| Formal definitions | M89ZAJY05H | definition | open | Wikipedia Time-scale calculus#G3XX |
| Formal definitions | MRXKQJGN7C | definition | open | Wikipedia Ground expression#56UD |
| Formal definitions | N7YD5B7DN9 | definition | open | Wikipedia Cone condition#UW0R |
| Formal definitions | NTF0E1BD4N | definition | open | Wikipedia Recursion#R7DJ |
| Formal definitions | NY0DBW4AKZ | definition | open | Wikipedia Contour set#CSCH |
| Formal definitions | PMHBVZ13B0 | definition | open | Wikipedia Unitary representation#LJWB |
| Formal definitions | QRS2NP0HAY | definition | open | Wikipedia Abstract family of acceptors#39YS |
| Formal definitions | R4ZSVPRPSC | definition | open | Wikipedia Earth mover's distance#KZOS |
| Formal definitions | RK127F7AD9 | definition | open | Wikipedia Conservative system#OA1E |
| Formal definitions | SQWZNABF8M | definition | open | Wikipedia Regular singular point#STRC |
| Formal definitions | SXD8DAC6PZ | definition | open | Wikipedia Cotangent space#MAY5 |
| Formal Definitions | THGX60KFW1 | definition | open | Wikipedia Correlation clustering#ZOWY |
| Formal definitions | TV69M6PMTP | definition | open | Wikipedia Cut point#L0R6 |
| Formal definitions | TXTGDGHNBH | definition | open | Wikipedia Turing completeness#R5AY |
| Formal definitions | TY0T168XMN | definition | open | Wikipedia Spray (mathematics)#1EC9 |
| Formal definitions | X9AEH466BB | definition | open | Wikipedia Club set#9JEG |
| Formal definitions | XBPF170RMM | definition | open | Wikipedia Global field#K09R |
| Formal definitions | XQAJGVQXRF | definition | open | Wikipedia Pointless topology#NRO5 |
| Formal definitions | Y5N4MYGDT5 | definition | open | Wikipedia Rewrite order#65NT |
| Formal definitions | YQQ9T302D0 | definition | open | Wikipedia Cancellative semigroup#M1HG |
| Formal definitions | YRTATVG6P8 | definition | open | Wikipedia Adjoint functors#SV2R |
| Formal definitions | YW3HZQ9MXS | definition | open | Wikipedia Fibration#MBO4 |
| Formal definitions | ZC03YTTB2Q | definition | open | Wikipedia Accumulator (cryptography)#HSX6 |
| Formal derivative | 448S5QM55J | definition | open | Wikipedia Formal derivative, Wikidata Q1955819 |
| Formal Dirichlet series | D03QEC0TSM | unknown | open | Wikipedia Dirichlet series#M6YW |
| Formal Dual | B7WCSHQ36W | 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 2610.04503#RPG6 |
| Formal epistemology | ZW7F1WJ9QD | definition | open | Wikipedia Formal epistemology, Wikidata Q5469960 |
| Formal ethics | AJ0ZE90GAJ | definition | open | Wikipedia Formal ethics, Wikidata Q5469961 |
| Formal exponential independence | AHFJME7DMG | 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 2610.14044#01YG |
| formal fallacy | M1QYGNM8HZ | definition | open | Wikipedia Glossary of logic#GFSW |
| Formal fallacy | THCFGB2B88 | definition | open | Wikipedia Formal fallacy, Wikidata Q962165 |
| Formal grammar | 11KA9KXJ3M | definition | open | Wikipedia Formal grammar, Wikidata Q373045 |
| Formal group law | 9HGJ0A7BXC | statement | open | Wikipedia Formal group law, Wikidata Q5469970 |
| Formal group law | T64341YYS3 | statement | open | Wikipedia List of Lie groups topics#130X |
| Formal group laws | 7M53CKAASN | statement | open | Wikipedia Complex cobordism#0GHZ |
| Formal group laws as functors | HNM0NTTKFM | statement | open | Wikipedia Formal group law#KAG2 |
| Formal holomorphic function | KEWYB8GXZS | definition | open | Wikipedia Formal holomorphic function, Wikidata Q30704557 |
| Formal justification for the axioms | 14B7ATT73D | statement | open | Wikipedia Internal set theory#CF73 |
| Formal language | GTJB2FCTSX | definition | open | Wikipedia List of mathematical logic topics#SU2K |
| formal language | REN072THGZ | definition | open | Wikidata Q192161, MathWorld FormalLanguage, Wikipedia Formal language |
| formal language | YCNR82ZFDT | definition | open | Wikipedia Glossary of logic#D3CF |
| Formal Laurent series | EEEWKY2K8J | unknown | open | Wikipedia Formal power series#9YE0 |
| Formal local normal form of a nonabelian codimension-two resolution move | 3W4MB8DMGN | 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 2609.27799#X2T2 |
| formal logic | K3SCTY1NFF | definition | open | Wikipedia Glossary of logic#1ITC |
| Formal logic | QVM6VTH3EM | unknown | open | Wikipedia Logic#ZB2A |
| Formal logical systems | D6MWNP4AMZ | unknown | open | Wikipedia Mathematical logic#08R2 |
| Formal manifold | HG7BTR22TC | definition | open | Wikipedia Formal manifold, Wikidata Q5469964 |
| Formal moduli | 1ER8TF4S74 | definition | open | Wikipedia Formal moduli, Wikidata Q5469965 |
| Formal one-step consistency for exact stage solves | R8M9RAWRRR | 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 2609.25489#8B39 |
| Formal ontology | JMRWH5SV12 | definition | open | Wikipedia Formal ontology, Wikidata Q1437388 |
| Formal potential | N88H9NZ70Z | unknown | open | Wikipedia Nernst equation#WMNC |
| Formal power series | 7QVW4T86K9 | definition | open | Wikipedia List of abstract algebra topics#AHKZ, Wikipedia List of commutative algebra topics#CT23 |
| formal power series | 8BY93JNSJY | definition | node (a node has the same name as the row) | mathlib_overview General algebra > Polynomials and power series > power series, Mathlib PowerSeries, Wikidata Q1003025, MathWorld FormalPowerSeries, Wikipedia Formal power series |
| Formal power series over a semiring | CQHZN6F1TA | unknown | open | Wikipedia Formal power series#KR4Y |
| Formal proof | ANGHEPRJN5 | definition | open | Wikipedia Formal proof, Wikidata Q2762418 |
| formal proof | CW8ZV153GQ | definition | open | Wikipedia Glossary of logic#6E44 |
| Formal realization of the local neighborhood | 9SX10NMEVP | 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 2610.10828#7IW2 |
| formal scheme | KN7WX165GC | definition | open | Wikidata Q5469967, nLab formal scheme, Wikipedia Formal scheme |
| Formal science | 7B4RAC212Y | topic | open | Wikipedia Formal science, Wikidata Q816264 |
| formal semantics | 3G69G24E9A | definition | open | Wikipedia Glossary of logic#K440 |
| Formal semantics | T7A0XN17ZR | definition | open | Wikipedia Formal semantics (natural language), Wikidata Q5469969 |
| Formal shift coefficients | WJBPKFYFBH | 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 2610.14044#EHM7 |
| Formal smoothness | XRGXF0TTQK | unknown | open | Wikipedia Smooth morphism#AN8T |
| Formal statement | 1CA7QX4N70 | statement | open | Wikipedia Pasting lemma#0IA1 |
| Formal Statement | 1WXT0CKHK2 | statement | open | Wikipedia Van Benthem's theorem#V78Y |
| Formal statement | 20V5F375YF | statement | open | Wikipedia Frobenius determinant theorem#ZXSR |
| Formal statement | 27AY6ECKHV | statement | open | Wikipedia Poincaré–Hopf theorem#UUEF |
| Formal statement | 2KFRWNWY70 | statement | open | Wikipedia Rice–Shapiro theorem#9IJP |
| Formal statement | 2Y8Y3ASQ2J | statement | open | Wikipedia Pugh's closing lemma#VYBR |
| Formal statement | 309ECWVNS7 | statement | open | Wikipedia Gibbard–Satterthwaite theorem#WOJE |
| Formal statement | 361Q06CFM5 | statement | open | Wikipedia Hearing the shape of a drum#2XTW |
| Formal statement | 3ZV5JDX80A | statement | open | Wikipedia Arrow's impossibility theorem#1LH4 |
| Formal statement | 4BT3ASNHRV | statement | open | Wikipedia Axiom of non-choice#YFVN |
| Formal statement | 4MNEM8ER22 | statement | open | Wikipedia Arrow–Debreu model#4TEB |
| Formal statement | 4NFYV0AX8F | statement | open | Wikipedia Casas-Alvero conjecture#556N |
| Formal statement | 59F5M6776T | statement | open | Wikipedia Brianchon's theorem#D93O |
| Formal statement | 59NYHJQW4W | statement | open | Wikipedia Splitting lemma (functions)#Z1G2 |
| Formal statement | 5NZ8DKJ610 | statement | open | Wikipedia Cartan–Dieudonné theorem#CGC9 |
| Formal statement | 62RP780VPD | statement | open | Wikipedia Gap-Hamming problem#OHXD |
| Formal statement | 669D20CHBC | statement | open | Wikipedia Dirichlet's principle#SWZJ |
| Formal statement | 66VC224BXQ | statement | open | Wikipedia Bin packing problem#HORY |
| Formal statement | 6C4J2Z1S64 | statement | open | Wikipedia Urysohn's lemma#773Q |
| Formal statement | 75GEQGTSJC | statement | open | Wikipedia Bing metrization theorem#TQHG |