From jawbrey at att.net Mon Feb 1 07:58:13 2010 From: jawbrey at att.net (Jon Awbrey) Date: Mon, 01 Feb 2010 13:58:13 +0000 Subject: [Arisbe] Benjamin Peirce on e^(i pi) Message-ID: <020120101358.9592.4B66DDF5000B2E890000257822230682329B0A02D29B9B0EBF970A9D0D990E06@att.net> Note on e^(i pi) = -1 Benjamin Peirce apparently liked this mathematical synonym for the additive inverse of 1 so much that he introduced three special symbols for e, i, pi ?- ones that enable e^(i pi) to be written in a single cursive ligature, as shown here: http://mathoverflow.net/questions/3134#5680 -- ? inquiry list: http://stderr.org/pipermail/inquiry/ mwb: http://www.mywikibiz.com/Directory:Jon_Awbrey knol: http://knol.google.com/k/-/-/3fkwvf69kridz/1 oeiswiki: http://www.oeis.org/wiki/User:Jon_Awbrey ? From jawbrey at att.net Sun Feb 7 22:22:22 2010 From: jawbrey at att.net (Jon Awbrey) Date: Mon, 08 Feb 2010 04:22:22 +0000 Subject: [Arisbe] Benjamin Peirce on e^(i pi) Message-ID: <020820100422.18773.4B6F917E000291630000495522228869349B0A02D29B9B0EBF970A9D0D990E06@att.net> Note on e^(i pi) = -1 Benjamin Peirce apparently liked this mathematical synonym for the additive inverse of 1 so much that he introduced three special symbols for e, i, pi ?- ones that enable e^(i pi) to be written in a single cursive ligature, as shown here: http://mathoverflow.net/questions/3134#5680 -- ? inquiry list: http://stderr.org/pipermail/inquiry/ mwb: http://www.mywikibiz.com/Directory:Jon_Awbrey knol: http://knol.google.com/k/-/-/3fkwvf69kridz/1 oeiswiki: http://www.oeis.org/wiki/User:Jon_Awbrey ?