User contributions
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- 17:35, 23 April 2012 (diff | hist) . . (-24) . . m 1976 IMO Problems (→Problem 4)
- 16:27, 17 January 2012 (diff | hist) . . (+306) . . Chicken McNugget Theorem
- 13:35, 9 June 2011 (diff | hist) . . (+1,681) . . 2005 Canadian MO Problems/Problem 3 (→Solution) (current)
- 13:14, 5 June 2011 (diff | hist) . . (+6) . . m Extreme principle
- 16:11, 4 June 2011 (diff | hist) . . (0) . . Extreme principle (→Problems)
- 16:11, 4 June 2011 (diff | hist) . . (-1) . . m Extreme principle (→Problems)
- 16:10, 4 June 2011 (diff | hist) . . (+45) . . Extreme principle (→Problems)
- 16:10, 4 June 2011 (diff | hist) . . (+400) . . N Extreme principle/solutions (Created page with "These are the solutions to the problems on the extreme principle. ===1=== First, we note that it is impossible for a coin <math>\omega</math> to be tangent to six coins <mat...")
- 16:04, 4 June 2011 (diff | hist) . . (+2,488) . . N Extreme principle (Created page with "The extreme principle (or extremal principle) is a problem-solving technique that involves looking at objects with extreme properties, such as the largest or smallest element. Fo...")
- 17:38, 3 June 2011 (diff | hist) . . (+4,324) . . N Projective geometry (Created page with 'Projective geometry is a beautiful area of geometry which focuses on properties that are invariant under projective transformations. Unlike Euclidean geometry, there is no notion…')
- 17:27, 3 June 2011 (diff | hist) . . (0) . . m Pascal's Theorem
- 17:24, 3 June 2011 (diff | hist) . . (0) . . Pascal's Theorem
- 17:02, 3 June 2011 (diff | hist) . . (+64) . . 2006 Canadian MO Problems/Problem 5 (→Solution) (current)
- 16:59, 3 June 2011 (diff | hist) . . (+1,164) . . 2006 Canadian MO Problems/Problem 5 (→Solution)
- 19:03, 2 June 2011 (diff | hist) . . (+586) . . 2006 Canadian MO Problems/Problem 5 (→Problem)
- 17:02, 1 June 2011 (diff | hist) . . (0) . . Pigeonhole Principle/Solutions (→M3)
- 17:01, 1 June 2011 (diff | hist) . . (+11) . . Pigeonhole Principle (→Examples)
- 12:09, 1 June 2011 (diff | hist) . . (+21) . . Pigeonhole Principle/Solutions (→M3)
- 12:07, 1 June 2011 (diff | hist) . . (-11) . . Pigeonhole Principle (→Intermediate Problems)
- 12:06, 1 June 2011 (diff | hist) . . (+11) . . Pigeonhole Principle (→Intermediate Problems)
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