Ultrafilter: Revision history

27 February 2024

• curprev 14:2414:24, 27 February 2024‎ 2603:8080:d601:64ae:8414:ea0d:ba22:8ecf talk‎ 20,872 bytes 0‎ →‎{{vanchor|Types and existence of ultrafilters|Types}}: The second sentence of this section had "for some element <math>m</math> of the given poset" but clearly the 'm' should be the 'p' appearing multiple times in the sentence. undo

19 February 2024

• curprev 10:3910:39, 19 February 2024‎ Jochen Burghardt talk contribs‎ 20,872 bytes 0‎ better avoid variable name "a" (may be confused with indefinite article); hope I got all occurrences undo
• curprev 10:3010:30, 19 February 2024‎ Jochen Burghardt talk contribs‎ 20,872 bytes +156‎ →‎{{vanchor|Types and existence of ultrafilters|Types}}: singular is more clear; keep mention of principal filter from 71.93.96.106's recent edit undo
• curprev 10:2110:21, 19 February 2024‎ Jochen Burghardt talk contribs‎ 20,716 bytes −115‎ Undid revision 1208734555 by 71.93.96.106 (talk): didn't improve clarity undo Tag: Undo

18 February 2024

• curprev 18:2118:21, 18 February 2024‎ 71.93.96.106 talk‎ 20,831 bytes +115‎ Minor clarification of principal ultrafilter. undo Tag: Reverted

21 December 2023

• curprev 15:3015:30, 21 December 2023‎ Dmoews talk contribs‎ 20,716 bytes −131‎ →‎Applications: improve URL undo
• curprev 15:0715:07, 21 December 2023‎ Dmoews talk contribs‎ 20,847 bytes +225‎ add reference undo
• curprev 14:5814:58, 21 December 2023‎ Dmoews talk contribs‎ m 20,622 bytes +1‎ grammar undo
• curprev 14:5514:55, 21 December 2023‎ Dmoews talk contribs‎ 20,621 bytes +30‎ add reference and precision undo
• curprev 14:5014:50, 21 December 2023‎ Dmoews talk contribs‎ 20,591 bytes +104‎ expand reference template undo

19 December 2023

• curprev 07:5807:58, 19 December 2023‎ AnomieBOT talk contribs‎ m 20,487 bytes +19‎ Dating maintenance tags: {{Cn}} undo
• curprev 07:3707:37, 19 December 2023‎ Jochen Burghardt talk contribs‎ 20,468 bytes +515‎ Partly undid revision 1190630723 by 98.33.48.125 (talk): removal should be ultima ratio, require a citation first undo
• curprev 00:3900:39, 19 December 2023‎ 98.33.48.125 talk‎ 19,953 bytes −509‎ →‎Ultrafilter on the power set of a set: removed portion not found in sources undo Tag: Manual revert

16 December 2023

• curprev 00:1200:12, 16 December 2023‎ 98.33.48.125 talk‎ 20,462 bytes −18‎ →‎Ultrafilter on the power set of a set undo Tag: Reverted
• curprev 00:1200:12, 16 December 2023‎ 98.33.48.125 talk‎ 20,480 bytes +3‎ →‎Ultrafilter on the power set of a set: changed notation to be more uniform with the rest of the page undo Tag: Reverted
• curprev 00:0500:05, 16 December 2023‎ 98.33.48.125 talk‎ 20,477 bytes 0‎ →‎Ultrafilter on the power set of a set: previous edit spliced two connected paragraphs, leaving the resulting text confusing. the addition was moved above the two paragrpahs. undo Tag: Reverted
• curprev 00:0400:04, 16 December 2023‎ 98.33.48.125 talk‎ 20,477 bytes +524‎ →‎Ultrafilter on the power set of a set undo Tag: Reverted

10 September 2023

• curprev 14:3714:37, 10 September 2023‎ Jochen Burghardt talk contribs‎ 19,953 bytes +22‎ unify 1 remaining "\wp", and all "\mathcal{P}", to "{\mathcal P}", to safely restrict the scope of "\mathcal" undo
• curprev 13:2513:25, 10 September 2023‎ Niplav talk contribs‎ 19,931 bytes +16‎ →‎Notes undo Tag: Visual edit
• curprev 13:2413:24, 10 September 2023‎ Niplav talk contribs‎ 19,915 bytes +275‎ Fixed these unbearable characters, plus some LaTeX fixes undo Tag: Visual edit

3 July 2023

• curprev 15:0015:00, 3 July 2023‎ Magyar25 talk contribs‎ 19,640 bytes −336‎ →‎Ultrafilter on the power set of a set undo Tag: Visual edit

28 May 2023

• curprev 05:5705:57, 28 May 2023‎ Bbbbbbbbba talk contribs‎ m 19,976 bytes −1‎ Removed one of the two closing quotation marks (for the same opening quotation mark) in the note. undo

4 March 2023

• curprev 18:0618:06, 4 March 2023‎ Francie00 talk contribs‎ 19,977 bytes −31‎ →‎.mw-parser-output .vanchor>:target~.vanchor-text{background-color:#b1d2ff}Types and existence of ultrafilters undo Tag: Visual edit
• curprev 18:0418:04, 4 March 2023‎ Francie00 talk contribs‎ 20,008 bytes −36‎ →‎.mw-parser-output .vanchor>:target~.vanchor-text{background-color:#b1d2ff}Types and existence of ultrafilters undo Tag: Visual edit
• curprev 18:0118:01, 4 March 2023‎ Francie00 talk contribs‎ m 20,044 bytes +11‎ Corrected a typo in a note →‎.mw-parser-output .vanchor>:target~.vanchor-text{background-color:#b1d2ff}Types and existence of ultrafilters undo Tag: Visual edit

4 January 2023

• curprev 20:0020:00, 4 January 2023‎ Paolo Lipparini talk contribs‎ 20,033 bytes +343‎ →‎Applications: in set theory undo
• curprev 18:1718:17, 4 January 2023‎ Jochen Burghardt talk contribs‎ 19,690 bytes −27‎ →‎Applications: defuse WP:EASTEREGG undo
• curprev 17:3517:35, 4 January 2023‎ Paolo Lipparini talk contribs‎ 19,717 bytes +242‎ →‎Applications: pointed out the difference between applications of ultraproducts and, more specifically, ultrapowers undo

10 December 2022

• curprev 19:0719:07, 10 December 2022‎ Jochen Burghardt talk contribs‎ 19,475 bytes +46‎ →‎top: suggest to convert set/subset lattice to number/divisor lattice, similar to the upper set teaser image, cf. talk there undo

18 October 2022

• curprev 15:4015:40, 18 October 2022‎ DannyBoyyy77 talk contribs‎ 19,429 bytes −137‎ →‎Applications: citation undo Tag: Visual edit

27 August 2022

• curprev 05:5005:50, 27 August 2022‎ JJMC89 bot III talk contribs‎ m 19,566 bytes +4‎ Moving Category:Set families to Category:Families of sets per Wikipedia:Categories for discussion/Log/2022 August 17#Category:Set families undo

23 August 2022

• curprev 18:5518:55, 23 August 2022‎ Addemf talk contribs‎ 19,562 bytes +83‎ added a reference undo

9 July 2022

• curprev 22:2122:21, 9 July 2022‎ Citation bot talk contribs‎ 19,479 bytes 0‎ Alter: journal. | Use this bot. Report bugs. | Suggested by Headbomb | #UCB_toolbar undo
• curprev 22:2022:20, 9 July 2022‎ Headbomb talk contribs‎ 19,479 bytes −7‎ ce undo

11 May 2022

• curprev 21:2821:28, 11 May 2022‎ Mgkrupa talk contribs‎ m 19,486 bytes +41‎ Updated internal link undo

13 March 2022

• curprev 17:2917:29, 13 March 2022‎ PhiRho~dewiki talk contribs‎ 19,445 bytes −4‎ Grammar undo Tag: Visual edit
• curprev 05:0705:07, 13 March 2022‎ OldManNIck talk contribs‎ 19,449 bytes −1‎ this is a disjoint union, and therefore 'or' is more appropriate. →‎{{vanchor|Types and existence of ultrafilters|Types}} undo

24 January 2022

• curprev 02:4402:44, 24 January 2022‎ Saung Tadashi talk contribs‎ 19,450 bytes +311‎ No edit summary undo Tag: Visual edit

14 December 2021

• curprev 20:3620:36, 14 December 2021‎ Mgkrupa talk contribs‎ 19,139 bytes +205‎ Reworded, added information, and copy editing. undo
• curprev 20:1820:18, 14 December 2021‎ Mgkrupa talk contribs‎ 18,934 bytes +43‎ No edit summary undo

18 September 2021

• curprev 07:4007:40, 18 September 2021‎ Jmcclaskey54 talk contribs‎ 18,891 bytes +1‎ →‎Types and existence of ultrafilters: minor wording change undo Tags: Mobile edit Mobile web edit Advanced mobile edit
• curprev 07:3407:34, 18 September 2021‎ Jmcclaskey54 talk contribs‎ 18,890 bytes +76‎ changed formatting of sets to conform to mathematical convention undo Tags: Mobile edit Mobile web edit Advanced mobile edit
• curprev 07:1707:17, 18 September 2021‎ Jmcclaskey54 talk contribs‎ 18,814 bytes +123‎ changed formatting of sets to conform to mathematical convention undo Tags: Mobile edit Mobile web edit Advanced mobile edit

17 August 2021

• curprev 23:2323:23, 17 August 2021‎ Krinndnz talk contribs‎ 18,691 bytes +5‎ add quotation marks to draw attention to definition of jargon term frequently used in the rest of the article undo

17 April 2021

• curprev 01:3301:33, 17 April 2021‎ Mgkrupa talk contribs‎ 18,686 bytes +41‎ →‎See also undo

16 April 2021

• curprev 22:1222:12, 16 April 2021‎ Mgkrupa talk contribs‎ m 18,645 bytes +22‎ Updated {{About|}} undo
• curprev 21:5221:52, 16 April 2021‎ Mgkrupa talk contribs‎ 18,623 bytes +79‎ Updated {{About|}} undo
• curprev 21:4821:48, 16 April 2021‎ Mgkrupa talk contribs‎ 18,544 bytes −37,704‎ Moved content related to ultrafilters on sets from this article into the new article Ultrafilter (set theory) because the majority of this article (prior to this move) consisted of information specifically about ultrafilters on sets (as opposed to ultrafilters on posets). It was a single section that contained enough information for an entire article so per Wikipedia guidelines, it is now its own article. Ultrafilters on sets are well known enough that they should have their own article. undo
• curprev 21:0921:09, 16 April 2021‎ Mgkrupa talk contribs‎ m 56,248 bytes +12‎ Fix undo
• curprev 21:0821:08, 16 April 2021‎ Mgkrupa talk contribs‎ 56,236 bytes +793‎ Copy editing and various corrections. Made the article more compliant with MOS:MATH. undo