Monthly Archives: November 2015

Book Note: Tony Roy, Symbolic Logic, #1

Tony Roy (Philosophy, California State University, San Bernardino) has generously made available his Symbolic Logic: An Accessible Introduction to Serious Mathematical Logic. I’m commenting here on the version of October 6, 2015. The full main text is no less than 746 pages … Continue reading

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Teach Yourself Logic 2016 — Last call for suggestions!

As I’ve noted, it is time to update the much-downloaded Teach Yourself Logic Study Guide for 2016, and I’ve recently made a start working through the current version.  So far, the editorial tinkering has been plentiful but minor as far as content is … Continue reading

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A moment of cheer

For ever and a day, the old have bemoaned the state of the world and how it is now all going to the dogs. But it is difficult not to feel that, yes, even here in Europe, things really are … Continue reading

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Postcard from Vienna

A week in Vienna, staying in the Innere Stadt where The Daughter is living for three months. Some unreasonably good weather, warm enough to take coffee sitting outside. The city looking wonderful in the bright sun. And then in a different … Continue reading

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Gently into November

I have just put an update for the Gentle Introduction to category theory online. Things have been moving pretty slowly (pressure of other interests, a planned chapter not really working out, spending far too much time revising earlier chapters, etc.); but … Continue reading

Posted in Category theory | 17 Comments