| Erdős-Ko-Rado Theorem | NJYBJTRYN2 | concept | open | applied_combinatorics index/16.2/erdős-ko-rado-theorem |
| Erdős-Menger conjecture | 1PN9T5RT1D | unknown | open | Wikipedia Menger's theorem#R47J |
| Erdős-Moser equation | 5KNVZB8RM2 | concept | open | Wikidata Q1349616, MathWorld Erdos-MoserEquation, Wikipedia Erdős–Moser equation |
| Erdős-Rado Delta System Theorem (corollary of the sunflower lemma) | TKPAHSEN4C | statement | open | Wikipedia Sunflower (mathematics)#G7WO |
| Erdős-Rado sunflower conjecture | 4GHHP45W2S | statement | open | Wikipedia Sunflower (mathematics)#HMMM |
| Erdős/Szekeres Theorem | KT06WF1BMV | statement | open | applied_combinatorics source/s_basics_pigeonhole.ptx#thm_ErdosSzekeres |
| Erdős–Anning theorem | C5JA5K59G3 | statement | open | Wikipedia List of things named after Paul Erdős#BOP9 |
| Erdős–Anning theorem | K99E7XGV7V | statement | open | mathlib_1000 Q3526982, Wikidata Q3526982, thousand_plus Q3526982, Wikipedia Erdős–Anning theorem, MathWorld Erdos-AnningTheorem |
| Erdős–Anning theorem | SZ2HF24J7H | statement | open | Wikipedia List of theorems#IA4H |
| Erdős–Bacon number | DCH1FDYXDQ | topic | open | Wikipedia Erdős–Bacon number, Wikidata Q722700 |
| Erdős–Beck theorem | 4SPQ3JJVCB | statement | open | Wikipedia Beck's theorem (geometry)#V10E |
| Erdős–Beck theorem | H07ZBBS0GV | statement | open | Wikipedia List of things named after Paul Erdős#NFWB |
| Erdős–Borwein constant | F32T9T48RM | definition | open | Wikidata Q1349661, MathWorld Erdos-BorweinConstant, Wikipedia Erdős–Borwein constant |
| Erdős–Borwein constant | HV64V1KTA5 | definition | open | Wikipedia List of scientific constants named after people#ANII |
| Erdős–Delange theorem | 2ABK3STY87 | statement | open | Wikipedia Erdős–Delange theorem, Wikidata Q127220566 |
| Erdős–Diophantine graph | 6QANCXCXSQ | definition | open | Wikipedia List of things named after Paul Erdős#43UV |
| Erdős–Diophantine graph | FB32YKS7NT | definition | open | Wikipedia Erdős–Diophantine graph, Wikidata Q5385321 |
| Erdős–Dushnik–Miller theorem | 1G4R5W338F | statement | open | Wikipedia List of theorems#GEDK |
| Erdős–Dushnik–Miller theorem | 4GJZ8VHE6W | statement | open | Wikipedia List of things named after Paul Erdős#MCX9 |
| Erdős–Dushnik–Miller theorem | 5HF6TDQ4TQ | statement | open | mathlib_1000 Q96377355, Wikidata Q96377355, thousand_plus Q96377355, Wikipedia Erdős–Dushnik–Miller theorem |
| Erdős–Faber–Lovász conjecture | CSWV1AD6WP | conjecture | open | Wikipedia List of conjectures by Paul Erdős#SA5A |
| Erdős–Faber–Lovász conjecture | DKJV5WBFRQ | conjecture | open | Wikipedia List of unsolved problems in mathematics#TWQL |
| Erdős–Faber–Lovász conjecture | NWP2613RZ0 | conjecture | open | Wikipedia Erdős–Faber–Lovász conjecture, Wikidata Q5385322 |
| Erdős–Fuchs theorem | 60P2QFCBJZ | statement | open | Wikipedia List of things named after Paul Erdős#CBLS |
| Erdős–Fuchs theorem | VZ37FVBR78 | statement | open | Wikipedia Erdős–Fuchs theorem, Wikidata Q3526980 |
| Erdős–Gallai theorem | B95TMJG8NE | statement | open | Wikipedia List of things named after Paul Erdős#1CIW |
| Erdős–Gallai theorem | G87J9PX80C | statement | open | Wikipedia List of theorems#2PXK |
| Erdős–Gallai theorem | VVH53XQCCG | statement | open | mathlib_1000 Q5385323, Wikidata Q5385323, thousand_plus Q5385323, Wikipedia Erdős–Gallai theorem |
| Erdős–Ginzburg–Ziv theorem | 810K4KW6D8 | problem | open | Wikipedia List of things named after Paul Erdős#U6QP, Wikipedia List of number theory topics#UF4J |
| Erdős–Ginzburg–Ziv theorem | WJAE388770 | problem | open | Wikipedia List of theorems#K5WC |
| Erdős–Graham conjecture | 7F9ZJWXW2P | conjecture | open | Wikipedia List of number theory topics#NPT0 |
| Erdős–Graham conjecture | REFJ8YESP1 | conjecture | open | Wikipedia List of conjectures by Paul Erdős#Y7GR |
| Erdős–Graham problem | KH7DGQZPKS | conjecture | open | Wikipedia Erdős–Graham problem, Wikidata Q2902746 |
| Erdős–Gyárfás conjecture | FCKFNY67BE | conjecture | open | Wikipedia Erdős–Gyárfás conjecture, Wikidata Q3686826 |
| Erdős–Gyárfás conjecture | HZEBYE1YEG | conjecture | open | Wikipedia List of unsolved problems in mathematics#PDES |
| Erdős–Gyárfás conjecture | QZP5FZT7NW | conjecture | open | Wikipedia List of conjectures by Paul Erdős#6271 |
| Erdős–Hajnal conjecture | C67V7QP1AJ | conjecture | open | Wikipedia List of unsolved problems in mathematics#8GKZ |
| Erdős–Hajnal conjecture | N5ZGHJ7BFN | conjecture | open | Wikipedia List of conjectures by Paul Erdős#SESB |
| Erdős–Hajnal conjecture | YD1SERF3KZ | conjecture | open | Wikipedia Erdős–Hajnal conjecture, Wikidata Q16974940 |
| Erdős–Heilbronn conjecture | 2SP298ND6P | definition | open | Wikipedia List of conjectures by Paul Erdős#3JKB |
| Erdős–Heilbronn conjecture | KKSFSBCA7P | statement | open | Wikipedia Restricted sumset#H0AY |
| Erdős–Heilbronn conjecture | YSDV6KGC7V | conjecture | open | Wikidata Q130240262, MathWorld Erdos-HeilbronnConjecture |
| Erdős–Kac theorem | 1S7QP4MDW0 | statement | open | Wikipedia List of theorems#TQ3V |
| Erdős–Kac theorem | 4M0K85G8FN | statement | open | mathlib_1000 Q846840, Wikidata Q846840, thousand_plus Q846840, Wikipedia Erdős–Kac theorem, MathWorld Erdos-KacTheorem |
| Erdős–Kac theorem | ME17N17PP3 | statement | open | Wikipedia List of things named after Paul Erdős#RHGO, Wikipedia List of number theory topics#AWE4 |
| Erdős–Kaplansky theorem | 139H05DAFH | statement | open | Wikipedia Erdős–Kaplansky theorem, Wikidata Q3526981 |
| Erdős–Kaplansky theorem | FZGY3E3D2S | statement | open | Wikipedia List of things named after Paul Erdős#96ZW |
| Erdős–Ko–Rado theorem | 60F5YZ7X6Y | statement | open | mathlib_1000 Q718875, Mathlib Finset.erdos_ko_rado, Wikidata Q718875, thousand_plus Q718875, Wikipedia Erdős–Ko–Rado theorem |
| Erdős–Ko–Rado theorem | PP9FHWXDNA | statement | open | Wikipedia List of theorems#OO21 |
| Erdős–Ko–Rado theorem | Q214RVE84H | statement | open | Wikipedia List of things named after Paul Erdős#XMFR, Wikipedia List of mathematical proofs#POD4, Wikipedia List of factorial and binomial topics#50TB |
| Erdős–Lovász conjecture | EJYM3T1NBM | unknown | open | Wikipedia List of conjectures by Paul Erdős#47QO |
| Erdős–Menger conjecture | 43D8JHZWE6 | statement | open | Wikipedia List of conjectures by Paul Erdős#W33E |
| Erdős–Mollin–Walsh conjecture | A7TDV4C9YA | definition | open | Wikipedia List of unsolved problems in mathematics#JLM8 |
| Erdős–Mollin–Walsh conjecture | GX7N7Z49HY | definition | open | Wikipedia List of conjectures by Paul Erdős#M4UJ |
| Erdős–Mordell inequality | FTFP98D8B2 | statement | open | Wikidata Q990530, MathWorld Erdos-MordellTheorem, Wikipedia Erdős–Mordell inequality |
| Erdős–Mordell inequality | J2HBR2PCB9 | statement | open | Wikipedia List of triangle topics#7MQ0, Wikipedia List of things named after Paul Erdős#REXZ, Wikipedia List of inequalities#SSL7 |
| Erdős–Moser equation | ERP7ZC6V6T | conjecture | open | Wikipedia List of unsolved problems in mathematics#6D1N |
| Erdős–Moser equation | TYNBCR252T | conjecture | open | Wikipedia List of conjectures by Paul Erdős#XEP4 |
| Erdős–Nagy theorem | M9SDW4RYHZ | statement | open | Wikipedia List of things named after Paul Erdős#WN7E |
| Erdős–Nagy theorem | VV6AXXJKNX | statement | open | Wikipedia List of theorems#5NKG |
| Erdős–Nagy theorem | XWW3MC9YVH | statement | open | mathlib_1000 Q5385324, Wikidata Q5385324, thousand_plus Q5385324, Wikipedia Erdős–Nagy theorem |
| Erdős–Nicolas number | CHEMBWXMF8 | definition | open | Wikipedia List of things named after Paul Erdős#HZ0P |
| Erdős–Nicolas number | EVKZ6NF3RG | definition | open | Wikidata Q16334729, OEIS A194472, Wikipedia Erdős–Nicolas number |
| Erdős–Oler conjecture | 3JTAPQBWN8 | definition | open | Wikipedia List of unsolved problems in mathematics#0FJI |
| Erdős–Pósa theorem | AY1NP3KZ3V | statement | open | Wikipedia List of things named after Paul Erdős#QEYX |
| Erdős–Pósa theorem | KEV4YVM7H5 | statement | open | mathlib_1000 Q5385325, Wikidata Q5385325, thousand_plus Q5385325, Wikipedia Erdős–Pósa theorem |
| Erdős–Pósa theorem | X7P9KFRKQZ | statement | open | Wikipedia List of theorems#N0BH |
| Erdős–Pósa theorem and odd cycles | J5YDJWABDJ | statement | open | Wikipedia Italo Jose Dejter#GMTH |
| Erdős–Rado theorem | 60NTD22VZN | statement | open | mathlib_1000 Q1366581, Wikidata Q1366581, thousand_plus Q1366581, Wikipedia Erdős–Rado theorem |
| Erdős–Rado theorem | 9V07SRFYCD | statement | open | Wikipedia List of things named after Paul Erdős#LUQT |
| Erdős–Rado theorem | DTY5G90XE7 | statement | open | Wikipedia List of theorems#HI0Z |
| Erdős–Rankin conjecture | 4SVZJKE8DK | conjecture | open | Wikipedia List of conjectures by Paul Erdős#ZD73 |
| Erdős–Rényi model | 8MQYH7TY0J | definition | open | Wikipedia Erdős–Rényi model, Wikidata Q605807 |
| Erdős–Rényi model | K6HKZTBG2T | definition | open | Wikipedia List of things named after Paul Erdős#RI4S, Wikipedia List of statistics articles#GH6X |
| Erdős–Sauer problem | AD5NZN53QG | unknown | open | Wikipedia List of conjectures by Paul Erdős#BHO3 |
| Erdős–Stewart conjecture | K4G4P15H8Q | unknown | open | Wikipedia List of conjectures by Paul Erdős#XIA7 |
| Erdős–Stone theorem | 1GXEX16GN2 | statement | open | Wikipedia List of things named after Paul Erdős#65YK |
| Erdős–Stone theorem | JQ1BECFF7M | statement | open | mathlib_1000 Q5385326, Wikidata Q5385326, thousand_plus Q5385326, Wikipedia Erdős–Stone theorem |
| Erdős–Stone theorem | TN2NTCMNSB | statement | open | Wikipedia List of theorems#CGM2 |
| Erdős–Stone theorem | WZ3D7XC652 | statement | open | Wikipedia Forbidden subgraph problem#V2OF |
| Erdős–Straus conjecture | 9HCFE17VK9 | conjecture | open | Wikipedia List of unsolved problems in mathematics#M8TD |
| Erdős–Straus conjecture | CS6SM58CBA | conjecture | open | Wikipedia List of conjectures by Paul Erdős#5RJO |
| Erdős–Straus conjecture | PXNR4SX8M6 | concept | open | Wikidata Q1349651, MathWorld Erdos-StrausConjecture, ProofWiki Erdős-Straus_Conjecture, Wikipedia Erdős–Straus conjecture |
| Erdős–Straus conjecture | TNJQVFKR2H | conjecture | open | Wikipedia List of sums of reciprocals#E18S |
| Erdős–Szekeres conjecture | 777K2XXJA8 | problem | open | Wikipedia List of conjectures by Paul Erdős#01Y7 |
| Erdős–Szekeres theorem | 1DRH9Q8PHX | statement | open | Wikipedia List of theorems#8GG7 |
| Erdős–Szekeres theorem | 4ZP4QBDR8C | statement | open | Wikipedia List of things named after Paul Erdős#ETBG |
| Erdős–Szekeres theorem | C3PT8TA3X2 | statement | open | Wikipedia Mirsky's theorem#SCES |
| Erdős–Szekeres theorem | QFKQT6M09E | statement | node (a node has the same Wikidata item as the row) | mathlib_100 73, Mathlib Theorems100.erdos_szekeres, mathlib_1000 Q976607, Wikidata Q976607, thousand_plus Q976607, Wikipedia Erdős–Szekeres theorem, MathWorld Erdos-SzekeresTheorem |
| Erdős–Szemerédi theorem | 14M5ENQVKA | statement | open | Wikipedia List of things named after Paul Erdős#AVXX |
| Erdős–Szemerédi theorem | T60ZGJDZT5 | statement | open | Wikipedia Erdős–Szemerédi theorem, Wikidata Q3526986 |
| Erdős–Tenenbaum–Ford constant | NQA7AW6W7X | object | open | Wikidata Q55610987, OEIS A074738, Wikipedia Erdős–Tenenbaum–Ford constant |
| Erdős–Tenenbaum–Ford constant | RZBXVPJF1T | object | open | Wikipedia List of things named after Paul Erdős#CR2W |
| Erdős–Tetali theorem | NWYM2Q838A | statement | open | Wikipedia List of things named after Paul Erdős#6HWW |
| Erdős–Tetali theorem | WRW27T8QY8 | statement | open | Wikipedia Erdős–Tetali theorem, Wikidata Q30694447 |
| Erdős–Turán conjecture on additive bases | EG878VBV01 | conjecture | open | Wikipedia Erdős–Turán conjecture on additive bases, Wikidata Q2993302 |
| Erdős–Turán conjecture on additive bases | Q7EA45VH8Z | conjecture | open | Wikipedia List of unsolved problems in mathematics#0FFD |
| Erdős–Turán conjecture on additive bases | WC26G4KR37 | conjecture | open | Wikipedia List of conjectures by Paul Erdős#UELJ |
| Erdős–Turán inequality | 59JDV42TRH | statement | open | Wikipedia List of things named after Paul Erdős#OR90 |
| Erdős–Turán inequality | BM7W50V2QT | statement | open | Wikipedia Erdős–Turán inequality, Wikidata Q5385327 |