Monthly Archives: July 2008

Telling your epis from your monos.

Posted on July 14, 2008

Ok, so how do you remember which are the epimorphisms, which are the monomorphisms, and which way around the funny arrows get used? Since the textbooks don’t seem eager to offer helpful mnemonics, I offer a forgetful world the following. … Continue reading →

Posted in Logic | Leave a comment

Declutter your Mac!

Posted on July 14, 2008

This will only be of interest to (a few) other Mac users. But, for what it is worth … For years, I’ve taken the easy option and just installed one version of Mac OS on top of another, and migrated … Continue reading →

Posted in Geek stuff | 1 Comment

You can fool most of the people most of the time.

Posted on July 13, 2008

I’ve mentioned before the estimable Ben Goldacre’s Bad Science column from the Guardian. In fact, his blog is in the list of links on the left; it is well worth following regularly. But this week’s column touches of something of … Continue reading →

Posted in This and that | 2 Comments

A Tuscan wine list …

Posted on July 11, 2008

Before it all becomes too distant, a few — ignorant and purely subjective! — wine memories from our Tuscany trip, mostly local wines from around Castelnuovo Beradenga. Quite a few of these wines are available from good merchants in the … Continue reading →

Posted in Italian matters | 1 Comment

Parsons’s Mathematical Thought: Secs 8 – 11

Posted on July 11, 2008

Back, after rather a gap, to Charles Parsons’s book and on to the first half of his second chapter, “Structuralism and nominalism”. (Sec. 8) Parsons says that he himself thinks that “something close to the structuralist view is true”. But … Continue reading →

Posted in Logic, Math. Thought and Its Objects | Leave a comment

Geektastic: Finite Simple Group (of Order Two)

Posted on July 5, 2008

Luca Incurvati gave me a link to this (you see, it’s non-stop serious work in the philosophy grad. centre). Yep, ok, it seems to be have been around for a good while: but I’ve only just seen it, and guess … Continue reading →

Posted in This and that | 1 Comment