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Stephen
Replies:
4
Views:
7,649
2. ### The perfect squares 1,4,9,16,25 are closed under what, multipicaton ro square rooting and WHY.

Kamekazi
Replies:
2
Views:
3,856
Daniel C. Bastos
Sep 20, 2004
3. ### Prove P(N) contains an uncountable antichain

MM
Replies:
2
Views:
2,594
Brian M. Scott
Sep 23, 2004
4. ### Division by zero. Go ahead and laugh.

Lefty ... 6 7 8
Replies:
149
Views:
2,085
nycmathguy
Apr 28, 2022
5. ### Programming skills required by mathematicians?

rAgAv ... 7 8 9
Replies:
174
Views:
1,503
Aleksej Saushev
Aug 3, 2008
6. ### Math dependency logic REVISED

James Harris ... 4 5 6
Replies:
104
Views:
1,170
Brian Quincy Hutchings
Nov 8, 2003
7. ### Simple principle, core error proven

James Harris ... 2 3
Replies:
51
Views:
1,127
Brian Quincy Hutchings
Oct 30, 2003

cOS
Replies:
6
Views:
1,088
Long Nguyen
May 2, 2004

painch1207
Replies:
0
Views:
1,050
painch1207
Nov 13, 2003

johnreed
Replies:
2
Views:
921
nycmathguy
Dec 27, 2021
11. ### Please Explain: How Is 5°F ***NOT*** Three Times Warmer Than 15°F????

Prisoner at War ... 5 6 7
Replies:
120
Views:
891
Reef Fish
Nov 19, 2006

Stratocaster
Replies:
4
Views:
877
Stratocaster
Oct 6, 2006
13. ### Simple principle in core error proof

James Harris ... 2
Replies:
20
Views:
865
Dik T. Winter
Oct 24, 2003
14. ### Advanced Polynomial Factorization: VERY much simplified

James Harris ... 2 3
Replies:
59
Views:
858
Gib Bogle
Jul 24, 2003
15. ### Position function ; my profs have no clue

Damon B. ... 2 3 4
Replies:
70
Views:
840
Oriel36
Sep 24, 2003

chuck
Replies:
11
Views:
840
Darrell
Sep 6, 2007
17. ### Does there exist a ring whose subring has a unity but the ring doesnot?

Sagar Kolte ... 2
Replies:
21
Views:
809
Brian M. Scott
Apr 19, 2005
18. ### Sub-groups of finite groups

Michael Stemper ... 2
Replies:
21
Views:
801
Paul Sperry
Apr 28, 2010
19. ### Defend algebraic integers, simple challenge

JSH ... 3 4 5
Replies:
81
Views:
795
hagman
Nov 10, 2008
20. ### Mega Foundation, change in plans

James Harris ... 2 3
Replies:
48
Views:
789
Roddy Young
Oct 9, 2003
21. ### Indefinite integrals - I'm stuck

boris ... 2 3 4
Replies:
63
Views:
779
fishfry
Apr 21, 2006
22. ### order of a product in a group

dan
Replies:
12
Views:
745
Arturo Magidin
Nov 16, 2010

John Mullins
Replies:
9
Views:
737
fifthrapiers
Oct 25, 2006
24. ### a cute proposition

Mark-T ... 2
Replies:
29
Views:
706
Sue VanHattum
Mar 25, 2009
25. ### 5x^3 + 11y^3 + 13z^3 = 0

cndc
Replies:
7
Views:
706
William Elliot
Dec 17, 2005

actuarynrt
Replies:
5
Views:
703
27. ### Deep variable factoring method

JSH ... 2
Replies:
36
Views:
683
David C. Ullrich
Nov 27, 2008

Stuck ... 2
Replies:
21
Views:
658
29. ### Seven Sided Star

William Elliot ... 2 3
Replies:
56
Views:
655
Mitch
Oct 25, 2006

junoexpress
Replies:
2
Views:
648
jftsang
Sep 20, 2011
31. ### Why are infinite series so difficult for students?

Proginoskes ... 2 3
Replies:
58
Views:
645
Herman Rubin
May 1, 2006
32. ### My paper passed peer review

James Harris ... 2 3
Replies:
58
Views:
644
William S
May 27, 2004
33. ### Maximally Consistent Set Theory

William Elliot ... 2 3
Replies:
49
Views:
636
Aatu Koskensilta
Dec 26, 2006

JSH ... 2 3
Replies:
53
Views:
632
Lits O'Hate
Jan 30, 2009
35. ### Talk to a mathematician (Op-Ed)

James Harris ... 2 3
Replies:
45
Views:
632
James Harris
Oct 17, 2003

JSH ... 2 3
Replies:
50
Views:
629

jstevh ... 2
Replies:
27
Views:
622
Proginoskes
Aug 8, 2006
38. ### matrix exponential

Pierre-Yves Gaillard ... 2
Replies:
36
Views:
620
Pierre-Yves Gaillard
Oct 24, 2009
39. ### Core error argument objection refuted, short

James Harris ... 2 3
Replies:
45
Views:
616
Arturo Magidin
Oct 21, 2003
40. ### chaos <=> paradox. Prove me wrong. A challenge.

Lefty ... 2 3 4
Replies:
63
Views:
613
Lefty
Oct 8, 2004

khosaa
Replies:
2
Views:
613
Junoexpress
Feb 8, 2011
42. ### Vectors question 2

Cassandra Thompson ... 2 3 4
Replies:
63
Views:
610
Cassandra Thompson
Dec 7, 2004
43. ### Attacking my own math proof, fun

James Harris ... 2
Replies:
39
Views:
605
Phil Nicholson
Aug 13, 2003

ks2470
Replies:
1
Views:
604
45. ### Democratic voters will soon be rounded up

Gactimus ... 2
Replies:
34
Views:
603
46. ### Discrete Math HELP!!

jeremy.ambler
Replies:
11
Views:
602
Brian M. Scott
Nov 11, 2008

khosaa
Replies:
4
Views:
598
scaaahu
Mar 1, 2011

divya bisht
Replies:
2
Views:
596
Country Boy
Dec 26, 2021

lynda
Replies:
1
Views:
588
hagman
Mar 16, 2007

sto
Replies:
6
Views:
579