Monthly Archives: September 2017

A more natural Disjunction Elimination rule?

We work in a natural deduction setting, and choose a Gentzen-style layout rather than a Fitch-style presentation (this choice is quite irrelevant to the point at issue). The standard Gentzen-style disjunction elimination rule encodes the uncontroversially valid mode of reasoning, … Continue reading

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MA Scholarship in Logic/Phil Math (Montreal)

Ulf Hlobil writes: “At Concordia University (Montreal), we want to do something about the gender imbalance in philosophy.  We offer specialized scholarships for female international students who are working ancient philosophy or logic and philosophy of mathematics.  Each scholarship is … Continue reading

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The Great Formal Machinery Works

I’d like to have had the time now to carefully read Jan von Plato’s new book and comment on it here, as the bits I’ve dipped into are very interesting. But, after a holiday break, I must get my nose … Continue reading

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Postcard from the Lake District

After a week in the Lakes, here’s a photo taken walking back from Howtown to Pooley Bridge above Ullswater. Beautiful. Worries about Trump, Brexit, and even Begriffsschrift seem happily remote.

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