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A comment on Proof School. Parent comment

Re:Proof School by eru on Sunday August 25, 2013 @10:46AM (#6272157)
And among actual mathematicians the Halmos tombstone is more popular nowadays, anyway. It feels less haughty.
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Re:Proof School by proofschool on Sunday August 25, 2013 @11:50AM (#6272424)
The proof school graphic logo incorporates a halmos - and creates a stand-alone "squaring the circle" logo for the site favicon, for example.
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