Under It is infinite if it isn't? (in Paradoxes) Posted on 2005-04-12 (35 Comments) |

| No paradox by David Shin (2005-04-13 15:56:49) |

| re: Possible paradox by David Shin (2005-04-12 21:06:55) |

Under Only One Hand (in Games) Posted on 2005-04-11 (31 Comments) |

| re: No Subject by David Shin (2005-04-12 04:25:11) |

| Comments by David Shin (2005-04-11 18:31:22) |

Under Cosines everywhere (in Geometry) Posted on 2005-03-21 (6 Comments) |

| Solution by David Shin (2005-03-21 19:13:57) |

Under Sastry's Evil Bisectors (in Geometry) Posted on 2005-03-04 (10 Comments) |

| Thoughts by David Shin (2005-03-05 06:53:25) |

Under Curiously Cavalier Chess Conclusion (in Games) Posted on 2005-02-25 (6 Comments) |

| re: Solution, mate in 5 th move by David Shin (2005-02-26 09:03:26) |

Under Sums of Squares (in Numbers) Posted on 2005-02-21 (8 Comments) |

| re: solution by David Shin (2005-03-01 19:14:31) |

| re: meow by David Shin (2005-02-22 16:00:26) |

Under Figure Eights (in General) Posted on 2005-02-15 (34 Comments) |

| re: solution - the number of curves must be countable(?) by David Shin (2005-02-23 07:19:29) |

| re: A thought by David Shin (2005-02-22 03:17:33) |

| re(10): I think it's... - Elaboration by David Shin (2005-02-19 15:28:11) |

| re(8): I think it's... - Elaboration by David Shin (2005-02-19 04:36:45) |

| re(6): I think it's... - Elaboration by David Shin (2005-02-18 22:40:33) |

| re(5): I think it's... by David Shin (2005-02-18 00:14:05) |

| re(3): I think it's... by David Shin (2005-02-17 19:31:39) |

| re(3): still thinking by David Shin (2005-02-16 06:49:44) |

| re: I think it's... by David Shin (2005-02-16 01:08:36) |

| Tips by David Shin (2005-02-15 19:59:16) |

Under Even and odd powers (in Just Math) Posted on 2005-02-09 (22 Comments) |

| re(4): Uncle! by David Shin (2005-03-05 17:16:42) |

| re(2): Uncle! by David Shin (2005-03-03 19:27:37) |

| Not just yet by David Shin (2005-02-28 16:37:36) |

| re: No Subject by David Shin (2005-02-26 09:08:31) |

| Solution by David Shin (2005-02-10 00:01:39) |

Under God and the Devil (in Games) Posted on 2005-02-08 (62 Comments) |

| re(2): Gambling and Charity by David Shin (2005-02-16 20:56:44) |

| Gambling and Charity by David Shin (2005-02-16 16:47:03) |

| re(3): Clarification of infinite sequence by David Shin (2005-02-10 04:17:57) |

| re: Spiral sequence by David Shin (2005-02-09 14:19:48) |

| re: Clarification of infinite sequence by David Shin (2005-02-09 06:33:21) |

| re(5): Solution attempt - Jack was right by David Shin (2005-02-09 02:21:42) |

| re(2): Regarding randomness by David Shin (2005-02-09 02:20:45) |

| Regarding randomness by David Shin (2005-02-09 00:33:24) |

| re(3): boiling it down - Not so simple by David Shin (2005-02-08 22:40:54) |

| re: boiling it down - Not so simple by David Shin (2005-02-08 22:19:13) |

Under Connect The Dots (in Geometry) Posted on 2005-02-06 (14 Comments) |

| re: Smart guys Help by David Shin (2005-02-08 19:57:26) |

| re(3): Detailed Solution by David Shin (2005-02-08 15:32:10) |

Under Bisect The Segment (in Geometry) Posted on 2005-01-29 (8 Comments) |

| re(2): solution by David Shin (2005-01-31 07:08:36) |

Under One Word, Seven Times (in Word Problems) Posted on 2005-01-27 (14 Comments) |

| "Satify the grammarians" means "satisfy the grammarians" by David Shin (2005-01-27 20:38:39) |

| re: A multitude of answers? by David Shin (2005-01-27 20:03:07) |

Under Nowhere to Hide II (in Games) Posted on 2005-01-26 (10 Comments) |

| Complete Solution by David Shin (2005-01-27 07:50:03) |

| re(2): Upper Bound by David Shin (2005-01-26 19:57:55) |

| Even Better by David Shin (2005-01-26 19:56:15) |

| Better Upper Bound by David Shin (2005-01-26 19:50:52) |

| Upper Bound by David Shin (2005-01-26 19:46:38) |

Under A rainbow of haves and have-nots (in Word Problems) Posted on 2005-01-26 (14 Comments) |

| Another Color by David Shin (2005-01-26 17:15:52) |

Under Voting power distribution (in General) Posted on 2005-01-24 (13 Comments) |

| re: Clarification by David Shin (2005-01-24 22:24:47) |

| Clarification by David Shin (2005-01-24 22:12:36) |

Under I See No Ships (in Geometry) Posted on 2005-01-23 (15 Comments) |

| Solution by David Shin (2005-01-23 16:18:00) |

Under Hungry Ant (in Tricks) Posted on 2005-01-21 (14 Comments) |

| re: Unfolding the room by David Shin (2005-01-21 15:07:39) |

| Solution by David Shin (2005-01-21 14:50:31) |

Under Broken Calculator (in Just Math) Posted on 2005-01-20 (14 Comments) |

| re: More Clarifications by David Shin (2005-01-20 22:44:40) |

| Clarifications by David Shin (2005-01-20 21:31:09) |

Under Most Letters 2 (in Word Problems) Posted on 2005-01-20 (15 Comments) |

| re(2): 6 letter reverse solution by David Shin (2005-01-21 14:59:50) |

| re: 5 OUT OF 5 by David Shin (2005-01-20 22:47:23) |

| 6 letter reverse solution by David Shin (2005-01-20 16:29:33) |

Under Sphere Pyramid (in Geometry) Posted on 2005-01-19 (4 Comments) |

| re(2): Solution by David Shin (2005-01-19 21:14:16) |

| Solution by David Shin (2005-01-19 18:31:31) |

Under Homophonic Equality (in Word Problems) Posted on 2005-01-18 (8 Comments) |

| Still need to prove v=1... by David Shin (2005-01-25 19:27:02) |

| Homonym verification by David Shin (2005-01-18 21:38:24) |

Under All integers (in Geometry) Posted on 2005-01-17 (14 Comments) |

| re: Solution, by hand by David Shin (2005-01-18 17:33:07) |

| re(2): Solution by David Shin (2005-01-18 15:06:25) |

| re: Solution (Proof by Hand) by David Shin (2005-01-17 21:22:30) |

| Another failed attempt by David Shin (2005-01-17 18:04:04) |

Under Who will win? (in Games) Posted on 2005-01-10 (9 Comments) |

| More thorough solution by David Shin (2005-01-10 19:50:27) |

| re(4): Solution by David Shin (2005-01-10 19:40:00) |

| re(2): Solution by David Shin (2005-01-10 18:52:43) |

| Solution by David Shin (2005-01-10 17:22:13) |

Under Box game (in Games) Posted on 2005-01-04 (31 Comments) |

| re(2): ...and going... by David Shin (2005-02-09 15:13:20) |

| Proof of optimality of 15 for 5x5 by David Shin (2005-01-15 18:24:57) |

| Thoughts on the maximum by David Shin (2005-01-15 17:43:33) |

Under Remainder of One (in Just Math) Posted on 2004-12-29 (13 Comments) |

| re(4): Yet another Erdos theorem by David Shin (2005-01-26 04:48:51) |

| re(2): Yet another Erdos theorem by David Shin (2005-01-25 21:33:38) |

| re: answer? by David Shin (2004-12-29 21:35:15) |

Under Math Class (in Numbers) Posted on 2004-12-23 (9 Comments) |

| re(2): Solution by David Shin (2004-12-31 17:58:19) |

Under Rational Result? Ridiculous! (in Numbers) Posted on 2004-12-20 (19 Comments) |

| re(5): I may have a solution, but... by David Shin (2004-12-20 19:03:38) |

Under decimal sequence (in Sequences) Posted on 2004-11-30 (6 Comments) |

| Solution by David Shin (2004-11-30 18:09:46) |

Under Kool Numbers (in Numbers) Posted on 2004-11-15 (10 Comments) |

| Third part by David Shin (2004-11-15 17:36:28) |

Under Four Way Smarties (in General) Posted on 2004-11-05 (22 Comments) |

| re(2): Minor difference in interpretation + Computer solution by David Shin (2004-11-06 17:37:44) |

| Minor difference in interpretation + Computer solution by David Shin (2004-11-05 14:38:07) |

Under Exponential Difficulties (in Just Math) Posted on 2004-10-30 (6 Comments) |

| Solution by David Shin (2004-10-30 17:32:55) |

Under Two circles (in Geometry) Posted on 2004-10-21 (11 Comments) |

| Three circles case by David Shin (2004-10-21 17:25:21) |

| Two circles case by David Shin (2004-10-21 17:08:16) |

Under What did Black play? (in Games) Posted on 2004-10-18 (6 Comments) |

| re: Well..(a little more formally) by David Shin (2004-10-18 20:23:09) |

Under The Sum of the Parts Is Less Than And More Than the Parts (in Numbers) Posted on 2004-10-15 (11 Comments) |

| re: Counterexamples by David Shin (2004-10-15 20:13:41) |

| Solution by David Shin (2004-10-15 17:07:22) |

Under Ten Words (4) (in Word Problems) Posted on 2004-10-14 (11 Comments) |

| Computer solution by David Shin (2004-10-14 18:47:40) |

Under Flipping Coins (in Probability) Posted on 2004-10-13 (26 Comments) |

| re: Solution to First Question (high chance of error) by David Shin (2004-10-13 17:30:08) |

| Solution to First Question (high chance of error) by David Shin (2004-10-13 17:26:05) |

Under Curious Cubic Calculation? (in Numbers) Posted on 2004-10-13 (14 Comments) |

| re: Solution by David Shin (2004-10-13 13:33:30) |

| Solution by David Shin (2004-10-13 12:57:31) |

Under Five Sentences (in Logic) Posted on 2004-10-12 (33 Comments) |

| Computer solution by David Shin (2004-10-12 18:32:17) |

Under A Curious Cone (in Geometry) Posted on 2004-10-11 (12 Comments) |

| re: Seriously, though..... by David Shin (2004-10-11 15:33:26) |

Under Omikron, Rho, Sigma (in Sequences) Posted on 2004-10-09 (8 Comments) |

| Solution by David Shin (2004-10-09 18:05:53) |

Under Candy Box (in Numbers) Posted on 2004-10-08 (17 Comments) |

| re: About 9 pieces by David Shin (2004-10-08 17:05:14) |

| re(2): Solution by David Shin (2004-10-08 15:54:49) |

| Solution by David Shin (2004-10-08 14:01:26) |

Under Similar Sequence Sum! (in Just Math) Posted on 2004-10-07 (6 Comments) |

| Solution by David Shin (2004-10-07 12:47:41) |

Under Isn't It Integer? (in Just Math) Posted on 2004-10-06 (3 Comments) |

| re: Solution (Correction) by David Shin (2004-10-06 16:34:28) |

| Solution by David Shin (2004-10-06 16:21:38) |

Under A New Solid (in Shapes) Posted on 2004-10-05 (19 Comments) |

| re: Perhaps simpler calculations by David Shin (2004-10-05 20:36:55) |

| Solution by David Shin (2004-10-05 12:22:56) |

Under Interesting Sequence (3) (in Sequences) Posted on 2004-10-04 (9 Comments) |

| re: Any Easier way ? by David Shin (2004-10-04 11:04:40) |

Under Cube the Cube (in Shapes) Posted on 2004-10-02 (12 Comments) |

| Solution by David Shin (2004-10-08 16:49:33) |

Under Is It Infinitely Increasing? (in Just Math) Posted on 2004-09-30 (13 Comments) |

| re: Solution by Googling by David Shin (2004-10-13 13:07:04) |

| re(3): interesting by David Shin (2004-10-01 10:35:34) |

Under 3x5 = 5x3 (in Shapes) Posted on 2004-09-30 (4 Comments) |

| Solution by David Shin (2004-09-30 08:46:48) |

Under At the Olympic Games (6) (in Logic) Posted on 2004-09-27 (47 Comments) |

| Solution by David Shin (2004-09-27 10:22:39) |

Under FIGURE it out (2) (in General) Posted on 2004-09-25 (14 Comments) |

| re(4): solution: much opportunity for error-- correction by David Shin (2004-09-25 17:48:56) |

| re(2): solution: much opportunity for error-- correction by David Shin (2004-09-25 17:25:05) |

| A couple disagreements by David Shin (2004-09-25 17:07:25) |

Under Rare Rotative Relationship! (in Numbers) Posted on 2004-09-23 (13 Comments) |

| re: Solutions with interpretations by David Shin (2004-09-23 19:06:04) |

| Solution by David Shin (2004-09-23 13:07:08) |

Under More Archery Practice (in Numbers) Posted on 2004-09-21 (14 Comments) |

| re(5): Intuitive Representation IMHO by David Shin (2004-09-24 17:01:15) |

| re(3): Intuitive Representation IMHO (spoilers) by David Shin (2004-09-24 10:05:37) |

| re: Intuitive Representation IMHO by David Shin (2004-09-23 22:51:37) |

| Clearer Explanation by David Shin (2004-09-21 18:13:13) |

| re: Answer by David Shin (2004-09-21 13:21:57) |

| Solution by David Shin (2004-09-21 13:15:46) |

Under Interesting Sequence (in Sequences) Posted on 2004-09-21 (11 Comments) |

| re: Common theme...? by David Shin (2004-09-21 08:46:45) |

Under Get one half by squaring (in Just Math) Posted on 2004-09-20 (31 Comments) |

| re: 9 terms (or beating dead horse) by David Shin (2004-09-22 21:11:35) |

| Continue Beating the Horse... by David Shin (2004-09-22 21:05:41) |

| re: An eleven terms solution by David Shin (2004-09-21 21:18:11) |

| re: infinite solution by David Shin (2004-09-21 01:25:19) |

| A Conjecture by David Shin (2004-09-20 23:40:38) |

| re(2): Solution by David Shin (2004-09-20 22:51:37) |

| re: No Subject by David Shin (2004-09-20 18:44:26) |

Under Queen Square (in General) Posted on 2004-09-20 (6 Comments) |

| Clarification Requested by David Shin (2004-09-20 08:16:43) |

Under Highest Number (in Just Math) Posted on 2004-09-18 (19 Comments) |

| Juggler is right by David Shin (2004-09-18 15:26:13) |

| re(3): How to do! by David Shin (2004-09-18 15:18:02) |

| re: How to do! by David Shin (2004-09-18 13:56:45) |

| Minimum value by David Shin (2004-09-18 13:10:40) |

| Computer Solution by David Shin (2004-09-18 12:47:45) |

Under A pool rack filled with balls (in Geometry) Posted on 2004-09-17 (25 Comments) |

| re(4): Solution by David Shin (2004-09-24 10:09:57) |

| re(2): Solution by David Shin (2004-09-24 01:41:32) |

| re: More Thoughts by David Shin (2004-09-17 17:26:17) |

Under Hidden Elements (in Science) Posted on 2004-09-17 (15 Comments) |

| re(4): mendel - ayev by David Shin (2004-09-18 13:16:06) |

Under Lines of Reasoning (in General) Posted on 2004-09-16 (20 Comments) |

| Possible Answer? by David Shin (2004-09-16 21:28:59) |

Under Noughts and Crosses (in Games) Posted on 2004-09-16 (6 Comments) |

| re(2): Solution by David Shin (2004-09-16 09:03:27) |

| Solution by David Shin (2004-09-16 08:35:50) |

Under Third Squared (in Shapes) Posted on 2004-09-15 (7 Comments) |

| re: MAYBE? by David Shin (2004-09-15 16:33:10) |

| Solution by David Shin (2004-09-15 16:05:26) |

Under Mix 'em up! (in Word Problems) Posted on 2004-09-15 (9 Comments) |

| Second One by David Shin (2004-09-15 10:29:55) |

| Solutions to first and third by David Shin (2004-09-15 09:25:50) |

Under Partitioning Space (in Geometry) Posted on 2004-09-13 (13 Comments) |

| Part II Solution by David Shin (2004-09-15 00:24:00) |

| Part I Solution by David Shin (2004-09-15 00:18:00) |

| re(2): Reason, don't guess by David Shin (2004-09-14 17:24:40) |

| Reason, don't guess by David Shin (2004-09-14 16:47:37) |

| Some ideas... by David Shin (2004-09-14 08:52:02) |

Under Hawks and Doves (in Probability) Posted on 2004-09-13 (22 Comments) |

| re(2): To Make Oskar's Solution Work... by David Shin (2004-09-13 16:18:19) |

| To Make Oskar's Solution Work... by David Shin (2004-09-13 10:57:15) |

| re: Final part by David Shin (2004-09-13 10:29:08) |

| Clarification Requested by David Shin (2004-09-13 08:59:45) |

Under Gonna party like it's 1999 (in Just Math) Posted on 2004-09-12 (7 Comments) |

| re: Solution by David Shin (2004-09-12 13:51:53) |

| Solution by David Shin (2004-09-12 09:31:14) |

Under Harder Russian Roulette (in Probability) Posted on 2004-09-11 (20 Comments) |

| Cylinders Are Round by David Shin (2004-09-11 15:26:28) |

Under Circle, Circle, Triangle, Circle! (in Geometry) Posted on 2004-09-08 (10 Comments) |

| re: Tan by David Shin (2004-09-25 03:43:52) |

| Error in Solution by David Shin (2004-09-11 15:55:51) |

| Solution by David Shin (2004-09-09 16:09:12) |

Under Missing digits (in Just Math) Posted on 2004-09-04 (9 Comments) |

| Solution by David Shin (2004-09-04 09:47:58) |

Under Interesting Function (2) (in Just Math) Posted on 2004-09-03 (6 Comments) |

| Solution by David Shin (2004-09-03 13:15:47) |

Under Nowhere to Hide (in Games) Posted on 2004-08-31 (7 Comments) |

| A little disappointed... by David Shin (2004-09-18 11:12:49) |

Under Provably unprovable? (in Paradoxes) Posted on 2004-08-22 (36 Comments) |

| Posted Solution is Bogus by David Shin (2004-10-15 20:26:54) |

| re: No problem by David Shin (2004-10-15 20:17:45) |

Under A circle through seven points (in Geometry) Posted on 2004-08-19 (1 Comments) |

| Solution by David Shin (2004-08-19 14:12:44) |

Under Twelve dots (and more!) (in Shapes) Posted on 2004-08-17 (5 Comments) |

| formatting error in solution by David Shin (2004-08-17 13:35:31) |

| solution to 3x4 by David Shin (2004-08-17 13:27:06) |

Under How Many Triangles... (in Geometry) Posted on 2004-08-15 (8 Comments) |

| solution by David Shin (2004-08-15 14:20:21) |

Under Points On A Circle (in Geometry) Posted on 2004-08-14 (17 Comments) |

| re: com by David Shin (2005-01-24 20:54:15) |

| Impossibly Hard... by David Shin (2004-09-26 01:36:10) |

Under Can Or Cannot (in Paradoxes) Posted on 2003-04-30 (109 Comments) |

| An Analogy... by David Shin (2004-10-12 04:48:13) |

Under Safety from the queen (in Games) Posted on 2002-12-12 (16 Comments) |

| Another solution by David Shin (2004-09-27 00:32:46) |