How to Solve It: Revision history

Filter revisionsshowhide

To date:

Tag filter:

Invert selection

External tools:

For any version listed below, click on its date to view it. For more help, see Help:Page history and Help:Edit summary. (cur) = difference from current version, (prev) = difference from preceding version, m = minor edit, → = section edit, ← = automatic edit summary

curprev 15:3015:30, 22 August 2024 InternetArchiveBot talk contribs 12,548 bytes +505 Rescuing 3 sources and tagging 0 as dead.) #IABot (v2.0.9.5 undo

curprev 21:4321:43, 17 July 2024 Tenpop421 talk contribs m 12,043 bytes +11 Added Category:Problem books in mathematics undo

curprev 23:0623:06, 15 March 2024 AnomieBOT talk contribs m 12,032 bytes +16 Dating maintenance tags: {{Original research inline}} undo
curprev 22:4522:45, 15 March 2024 Musiconeologist talk contribs 12,016 bytes +29 →Heuristics: Tagged third col of table as possible original research (see talk page) undo Tags: Mobile edit Mobile app edit Android app edit

curprev 22:3822:38, 9 December 2023 Ancheta Wis talk contribs 11,987 bytes +38 per tag undo

curprev 11:2211:22, 1 December 2023 Ancheta Wis talk contribs 11,949 bytes +58 per tag undo
curprev 10:5810:58, 1 December 2023 Ancheta Wis talk contribs 11,891 bytes +1 see talk page undo

curprev 09:5509:55, 29 November 2023 Thumperward talk contribs 11,890 bytes +133 Added {{Lead too short}}, {{One source}}, and {{Primary sources}} tags undo Tag: Twinkle

curprev 19:0019:00, 22 October 2023 DovelyPigeon talk contribs m 11,757 bytes +1 →top: Fixed typo undo Tags: canned edit summary Mobile edit Mobile app edit Android app edit

curprev 10:5910:59, 30 July 2023 Ancheta Wis talk contribs 11,756 bytes −33 →Third principle: Carry out the plan: rm superfluous markup undo
curprev 04:3204:32, 30 July 2023 2402:8100:25c3:de8d:7cf6:2852:99ef:63eb talk 11,789 bytes +60 c15d614e undo Tags: Visual edit Mobile edit Mobile web edit

curprev 11:2811:28, 2 July 2023 Ancheta Wis talk contribs 11,729 bytes −4 Undid revision 1163002954 by 2A03:2880:20FF:77:0:0:FACE:B00C (talk) experimental edit undo Tag: Undo
curprev 10:3210:32, 2 July 2023 2a03:2880:20ff:77::face:b00c talk 11,733 bytes +4 No edit summary undo Tags: Reverted Mobile edit Mobile web edit

curprev 08:1108:11, 7 June 2023 Artem.G talk contribs 11,729 bytes −54 →See also: Linked in text undo Tags: Mobile edit Mobile web edit Advanced mobile edit

curprev 22:5422:54, 3 June 2023 Rgdboer talk contribs m 11,783 bytes +37 →Influence: lk Schoenfeld undo

curprev 23:0223:02, 7 April 2023 Entranced98 talk contribs 11,746 bytes +44 Adding local short description: "Book by George Pólya", overriding Wikidata description "book about problem solving" undo Tag: Shortdesc helper

curprev 13:3613:36, 19 January 2023 Kanguole talk contribs 11,702 bytes −38 →External links: delete repeated link undo

curprev 09:1209:12, 9 August 2022 Chrisahn talk contribs 11,740 bytes −92 →Four principles: Removed the alleged "there is an easier problem you can solve" quote. It wasn't in the original edition, but in a preface by Conway in later editions. More importantly, Conway claimed Pólya said "there is an easier problem you can't solve", but it's unclear whether either version is an actual Pólya quote. See https://math.stackexchange.com/questions/2086285/ for details. Let's just not include any version of the alleged quote. undo Tags: Mobile edit Mobile web edit Advanced mobile edit

curprev 22:3822:38, 22 May 2022 2001:4450:8156:4900:3c9e:aa48:9fae:8bbc talk 11,832 bytes 0 →Heuristics undo

curprev 19:1919:19, 30 March 2022 Cyatacus talk contribs 11,832 bytes +13 Added ISBN for the 2014 publish date. Hopefully this is okay even though pub_date=1945 is correct as the original/first publish date. undo

curprev 18:5718:57, 8 January 2022 Ser Amantio di Nicolao talk contribs m 11,819 bytes −17 now in infobox template, removed: {{italic title}} undo Tag: AWB

curprev 19:0019:00, 8 November 2021 74.202.52.158 talk 11,836 bytes −20 fixed link for specialization to point to special_case. undo

curprev 08:4408:44, 23 August 2021 WindTempos talk contribs m 11,856 bytes +3 Rollback edit(s) by 2600:6C54:7A00:3122:3D55:7E39:5CC:7BFE (talk): Vandalism (RW 16.1) undo Tag: Rollback
curprev 08:4308:43, 23 August 2021 2600:6c54:7a00:3122:3d55:7e39:5cc:7bfe talk 11,853 bytes −3 Nothing undo Tags: Reverted Visual edit Mobile edit Mobile web edit

curprev 16:2016:20, 9 April 2021 Citation bot talk contribs 11,856 bytes −49 Removed parameters. | Use this bot. Report bugs. | Suggested by Jonesey95 | via #UCB_webform 65/1317 undo

curprev 08:5808:58, 31 March 2021 81.221.197.207 talk 11,905 bytes +61 No edit summary undo

curprev 09:4509:45, 24 January 2021 73.89.25.252 talk 11,844 bytes −191 remove unsourced testimonial. That the book has fans is clear from its sales. →Influence undo

curprev 18:0818:08, 8 November 2020 NH talk contribs m 12,035 bytes −80 →Four principles: removing wikilinks from Polyas key concepts or keywords to not necessarily closely related Wikipedia articles undo

curprev 18:1418:14, 16 August 2020 Newyorkbrad talk contribs m 12,115 bytes +6 →Influence: gr undo

curprev 11:0711:07, 27 June 2020 Certes talk contribs m 12,109 bytes +16 Disambiguating links to Problem (disambiguation) (link changed to Problem solving) using DisamAssist. undo

curprev 02:0002:00, 9 June 2020 InternetArchiveBot talk contribs 12,093 bytes +149 Bluelink 1 book for verifiability (refca)) #IABot (v2.0.1) (GreenC bot undo

curprev 02:5002:50, 20 May 2020 Citation bot talk contribs 11,944 bytes −54 Removed parameters. | You can use this bot yourself. Report bugs here. | Activated by Amigao | Category:Mathematics education | via #UCB_Category undo

curprev 21:0121:01, 21 April 2020 Widefox talk contribs m 11,998 bytes 0 →See also: fix name undo

curprev 17:1217:12, 26 January 2020 CLCStudent talk contribs m 11,998 bytes −5 Reverted edits by 41.113.229.215 (talk) to last version by InternetArchiveBot undo Tag: Rollback
curprev 17:1017:10, 26 January 2020 41.113.229.215 talk 12,003 bytes +5 1^ undo Tags: Mobile edit Mobile web edit

curprev 16:4516:45, 17 January 2020 InternetArchiveBot talk contribs 11,998 bytes +336 Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0 undo

curprev 13:2913:29, 11 January 2020 2001:4450:43f4:8c00:cda0:495f:993e:a162 talk 11,662 bytes +36 →External links undo

curprev 20:2420:24, 25 November 2019 I grieve in stereo talk contribs m 11,626 bytes +12 Moving from Category:1945 books to Category:1945 non-fiction books using Cat-a-lot undo

curprev 05:2705:27, 10 November 2019 Astrophobe talk contribs m 11,614 bytes 0 →Influence: Punctuation fix per MOS:CITEPUNCT undo
curprev 05:2705:27, 10 November 2019 Astrophobe talk contribs m 11,614 bytes −1 →Influence: Punctuation fix per MOS:CITEPUNCT undo

curprev 10:4910:49, 30 August 2019 Hanspi talk contribs 11,615 bytes +68 →Fourth principle: Review/extend: Polya also writes that imagining where what one has just done could be used as well helps you prepare best for future planning of solutions. Same pages in the book. undo
curprev 10:4710:47, 30 August 2019 Hanspi talk contribs 11,547 bytes +379 →Second principle: Devise a plan: Added Polya's advice to teachers. For Polya this was more important than anything else. undo

curprev 06:3006:30, 18 August 2019 Ancheta Wis talk contribs 11,168 bytes +17 problem solving in general undo

curprev 21:5021:50, 17 August 2019 182.18.253.235 talk 11,151 bytes +11 No edit summary undo

curprev 06:5906:59, 21 March 2019 41.225.200.135 talk 11,140 bytes 0 No edit summary undo
curprev 02:0702:07, 21 March 2019 41.225.200.135 talk 11,140 bytes +4 No edit summary undo

curprev 18:0218:02, 1 February 2019 BD2412 talk contribs m 11,136 bytes +22 Reverted edits by BD2412 (talk) to last version by Wcherowi undo Tag: Rollback
curprev 16:3016:30, 1 February 2019 BD2412 talk contribs m 11,114 bytes −22 →Heuristics: Unlink term with no encycopedic target., replaced: Map → map undo Tag: AWB

curprev 04:5804:58, 16 November 2018 Wcherowi talk contribs m 11,136 bytes +4,364 Reverted 1 edit by 171.240.188.103 (talk) to last revision by Ancheta Wis. (TW) undo Tag: Undo

curprev 19:4519:45, 15 November 2018 171.240.188.103 talk 6,772 bytes −4,364 Http://google.com undo Tags: nowiki added Visual edit Mobile edit Mobile web edit

22 August 2024

17 July 2024

15 March 2024

9 December 2023

1 December 2023

29 November 2023

22 October 2023

30 July 2023

2 July 2023

7 June 2023

3 June 2023

7 April 2023

19 January 2023

9 August 2022

22 May 2022

30 March 2022

8 January 2022

8 November 2021

23 August 2021

9 April 2021

31 March 2021

24 January 2021

8 November 2020

16 August 2020

27 June 2020

9 June 2020

20 May 2020

21 April 2020

26 January 2020

17 January 2020

11 January 2020

25 November 2019

10 November 2019

30 August 2019

18 August 2019

17 August 2019

21 March 2019

1 February 2019

16 November 2018

15 November 2018