The Archives

• logical recreations

  [006] Solution

  05.22.08 | Permalink | 1 Comment

  This is a solution for problem What Happens if an Irresistible Cannonball Hits an Immovable Post?
  The given conditions of the problem are logically contradictory. It is logically impossible that there can exist both an irresistible cannonball and an immovable post. If an irresistible cannonball should exist, then by definition it would knock over any post [...]

• logical recreations

  [006] What Happens if an Irresistible Cannonball Hits an Immovable Post?

  05.19.08 | Permalink | 2 Comments

  This is another problem from my childhood which I like very much. By an irresistible cannonball we shall mean a cannonball which knocks over everything in its way. By an immovable post we shall mean a post which cannot be knocked over by anything. So what happens if an irresistible cannonball hits an immovable post?
  Before [...]

Riddle-Box