What are some good ideas (web resources, books, suggestions, etc) for introducing a 6 to 7 year old child to elements of philosophy, paradoxes, and critical thinking? [more inside]
posted by crapmatic on Nov 11, 2009 - 23 answers

Are the existence of logical paradoxes evidence that logic is not Universal truth, or simply symptoms of incomplete or inaccurate semantic systems? [more inside]
posted by idyllhands on Oct 14, 2009 - 37 answers

∃x∀y∃z[Qx∧(My→Pyx)∧Wz ∧Pzx] ∨ ∃x[Qx∧∀y(My→Pyx)∧∃z(Wz∧Pzx)] ? [more inside]
posted by ed\26h on Sep 6, 2009 - 9 answers

Lately I have been playing many strategy board games and not winning that much. I feel I need to become a more adept strategic / tactical thinker. What books, mental exercises or other things could help me? [more inside]
posted by DetonatedManiac on Mar 18, 2008 - 17 answers

If a man’s wit be wandering, let him post a question about mathematics and reasoning to MetaFilter. [more inside]
posted by jason's_planet on Sep 25, 2007 - 20 answers

In order to be saved, you must accept Jesus's salvation. Huh? Explain? [more inside]
posted by tmcw on Sep 3, 2007 - 43 answers

I am looking for a clear understandable introduction to Wittgenstein's Tractatus Logico Philosophicus. Is there any particular book or website you can recommend to someone who is not schooled in philosophy?
posted by davar on Mar 24, 2006 - 13 answers

Need help defining a philosophy/logic term [more inside]
posted by sk381 on Dec 14, 2005 - 16 answers

Can someone explain the Doomsday Argument in a way that a math-challenged person like me can understand? [more inside]
posted by swift on May 26, 2005 - 37 answers