The 62nd William Lowell Putnam Mathematical Competition Saturday, December 1, 2001 A–1 Consider a set S and a binary operation ∗, i.e., for each a, b ∈ S, a ∗ b ∈ S. Assume (a ∗ b) ∗ a = b for all a, b ∈ - William Lowell Putnam Mathematical Competition - Document - PDFSEARCH.IO

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	The 62nd William Lowell Putnam Mathematical Competition Saturday, December 1, 2001 A–1 Consider a set S and a binary operation ∗, i.e., for each a, b ∈ S, a ∗ b ∈ S. Assume (a ∗ b) ∗ a = b for all a, b ∈ Add to Reading List Document Date: 2014-01-16 17:22:58 Open Document File Size: 77,83 KB Share Result on Facebook

The 62nd William Lowell Putnam Mathematical Competition Saturday, December 1, 2001 A–1 Consider a set S and a binary operation ∗, i.e., for each a, b ∈ S, a ∗ b ∈ S. Assume (a ∗ b) ∗ a = b for all a, b ∈ Add to Reading List