Archive for September 11th, 2009
Cardinality of infinite sets, part 1: four nonstandard proofs of countability
Posted by: Dave Richeson on September 11, 2009
Division by Zero
A blog about math, puzzles, teaching, and academic technology
My book
Euler's Gem: The polyhedron formula and the birth of topology
Princeton University Press
2008
Euler's Gem Facebook page
Buy it:
Princeton University Press
Amazon
Princeton University Press
2008
Euler's Gem Facebook page
Buy it:
Princeton University Press
Amazon
