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Re:The Open Logic Project by nmrm2 on Tuesday July 28, 2015 @06:27PM (#9964978)
Just from purusing the author's personal websites: Avigad's Ph.D. is in Mathematics (from Berkeley) and he is a professor in a mathematics department.

More to the point, Mathematical Logic is a bit of a term of art referring in general to the study of formal logical systems and related objects/constructions. The term Mathematical Logic is typically used to distinguish from e.g. the sort of informal logic you might encounter in a course where one might read Aristotle and discuss informal logical fallacies.

Also, TBF, a lot of Mathematical Logic happens in analytically-inclined Philosophy departments these days. And it's not at all uncommon for a Mathematics department to have exactly zero Logicians. Just playing the odds, it's somewhat unsurprising that a group of high-quality Mathematical Logicians just happened to not include any people with a sole appointment to a Mathematics department.

Re:The Open Logic Project by JadeNB on Tuesday July 28, 2015 @08:35PM (#9965585)
> Avigad's Ph.D. is in Mathematics (from Berkeley) and he is a professor in a mathematics department.

Indeed, as are Antonelli and Arana. They carry joint appointments in math and philosophy, which, if I am being fair, should probably mean that their opinions should be given more, not less, weight in a book like this targeted at philosophers.

> More to the point, Mathematical Logic is a bit of a term of art referring in general to the study of formal logical systems and related objects/constructions. The term Mathematical Logic is typically used to distinguish from e.g. the sort of informal logic you might encounter in a course where one might read Aristotle and discuss informal logical fallacies.

Oh, thanks! I didn't realise this.

> Just playing the odds, it's somewhat unsurprising that a group of high-quality Mathematical Logicians just happened to not include any people with a sole appointment to a Mathematics department.

I agree that this would be unsurprising in a random selection from a random fixed department, but not so much in an institutions-spanning effort like this one. Nonetheless, as I mention, I should probably attach more, not less, weight to a joint appointment.