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# Monthly Archives: August 2013

## Philosophy in science: the tower of Babel

The past weeks I have had some opportunity to think about philosophy in general, and also about its relation to science (specifically to physics and mathematics which tend to preoccupy me more than other disciplines). I frequently come across (foundational) … Continue reading

## Self-intersecting polyhedra (Working on a non-algebraic proof that S_n is not contractible (2))

I wrote in February: In the meantime I think I found a nice non-algebraic proof that S_n is not contractible. The proof only uses some continuous-function theory, specifically the Michael Selection Theorem. I’m trying to expand this to a non-algebraic non-simplicial … Continue reading

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