UPDATE (3 November): Many readers have tried to solve this
month's riddle by use of certain special functions (which I will name in the
solution) that were developed long after Leibniz's death and are very powerful
in tackling the sort of problems he was interested in.
If you are familiar with these special functions -- you know who you are -- consider yourself as having prior knowledge of this riddle, and not eligible to appear on the solvers' list this month.
Apologies to all who are affected by this.
List of solvers:Hanlin Ren (1 November 16:40)
Radu-Alexandru Todor (1 November 19:12)
Hamidreza Bidar (1 November 21:16)
Lin Jin (1 November 22:40)
Liu Yi (2 November 22:18)
Mengxiao Zhang (2 November 22:39)
JJ Rabeyrin (3 November 10:12)
Rui Viana (3 November 13:36)
Muralidhar Seshadri (4 November 06:26)
Daniel Bitin (4 November 21:00)
Jiyuan Tan (4 November 22:44)
Jin Fan (6 November 00:29)
Jim Boyce (7 November 06:32)
Harald Bögeholz (8 November 04:13)
Ashish Chiplunkar (8 November 08:18)
Mithil Ramteke (12 November 17:10)
Phil Muhm (14 November 11:59)
Adrian Neacsu (15 November 04:02)
Sherman Yuen (15 November 23:53)
Jan Fricke (21 November 05:02)
Peitian Pan (26 November 18:21)
Hooman Habibi (29 November 02:01)
Oscar Volpatti (30 November 04:16)
Alexander Ruff (30 November 18:36)
Elegant and original solutions can be submitted to the puzzlemaster at riddlesbrand.scso.com. Names of solvers will be posted on this page. Notify if you don't want your name to be mentioned.
The solution will be published at the end of the month.
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