Tag Archives: Peter of Spain

Syllogism Mnemonics

The other day a colleague of mine asked if I had anything I could send him regarding the medieval syllogism mnemonics. I told him there was some info in the textbook I’m writing, but it’s rather idiosyncratic to the way … Continue reading

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The Logicians Who Say ‘Ne’

I’m currently in Stockholm for the 3rd Nordic Logic Summer School where I’ve been giving a introduction to logic in the Middle Ages. I brought along the Big Four (the textbooks of Bacon, Sherwood, Lambert, and Peter), as well as … Continue reading

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Ex impossibili sequitur quidlibet in the 13th C (part 2)

Oh, look, it’s Thursday again! Time to write another medieval logic post. We’re still doing Aristotle in my intro class, so I haven’t any new interesting medieval tidbits from class prep to share. So I guess I’ll just return to … Continue reading

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Pre-1600 logic on googlebooks

I’ve been spending most of my time thinking about modern stuff rather than medieval stuff in the last few weeks, but there’s nothing like a commitment to have a post on this blog every Thursday to make sure I think … Continue reading

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What’s in a name?

Yesterday I was writing up comments on an essay on Heloise and Abelard, and found myself, somewhat to my surprise, stubbornly referring to her exclusively as “d’Argenteuil”. After all, we call him “Abelard”, not “Peter”, so why shouldn’t we afford … Continue reading

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Spotlight on William of Sherwood

When one thinks of the big names of medieval logic, it’s probably ones like William of Ockham, Jean Buridan, and Walter Burley that come to mind — or, if you’re a 13th C person, maybe Peter of Spain. So people … Continue reading

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Medieval logicians on ‘and’, Part 2

In this post I continue my tour through what medieval logicians have to say about ‘and’ or conjunction (here is Part 1). Roger Bacon in the Art and Science of Logic [1] introduces a distinction between when ‘and’ is used … Continue reading

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