20 February 2024

• curprev 12:0912:09, 20 February 2024 Jlacosta talk contribs 4,514 bytes −117 Undo revision 215873 by Marianasinta (talk) Tag: Undo

19 February 2024

• curprev 16:0416:04, 19 February 2024 Marianasinta talk contribs 4,631 bytes +117 No edit summary

25 January 2020

• curprev 20:3120:31, 25 January 2020 Mrmxs talk contribs m 4,514 bytes −7 →Intermediate
• curprev 20:3020:30, 25 January 2020 Mrmxs talk contribs m 4,521 bytes +18 →Problems
• curprev 20:2920:29, 25 January 2020 Mrmxs talk contribs m 4,503 bytes 0 →Problems
• curprev 20:2920:29, 25 January 2020 Mrmxs talk contribs 4,503 bytes +1,375 Added some problems

14 November 2019

• curprev 10:5110:51, 14 November 2019 Mathcounts46 talk contribs m 3,128 bytes +43 Added clarification that $f(a)$ cannot be lonely; which is why f(a) = f(g(b)) for some b.

30 May 2019

• curprev 11:2111:21, 30 May 2019 Hashtagmath talk contribs 3,085 bytes +35 →Proof

14 July 2013

• curprev 21:0521:05, 14 July 2013 BakedPotatoe talk contribs m 3,050 bytes 0 No edit summary
• curprev 20:0620:06, 14 July 2013 BakedPotatoe talk contribs m 3,050 bytes 0 No edit summary

12 August 2009

• curprev 18:5318:53, 12 August 2009 Boy Soprano II talk contribs 3,050 bytes +3,050 New page with proof