Monday, 30 January 2017

Alexander Broadie: Introduction to Medieval Logic (1993)

Edition: Oxford University Press, 1993
Review number: 1505

The title is perhaps somewhat misleading. I would expect that a book introducing medieval logic should be fairly easy to follow for someone like myself, with a doctorate in modern mathematical logic and an interest in medieval philosophy. But the first few chapters assume a fair amount of prior understanding of the form of logic used in the middle ages, i.e. one based on natural language rather than symbolic representation of carefully pre-defined and abstract ideas of such ideas as truth, implication, proof and so on (this, the basis of modern mathematical logic, being the legacy of Frege and others such as Russell, Tarsky, and Gödel).

In fact, what is eventually revealed is a way to relate the arguments of medieval logicians, which can seem weird and monumentally pedantic, to a process which moves from the potential ambiguities of natural language towards more abstract understanding of the processes of logic. No matter how interesting that might be to me, though, the path travelled through mainly fourteenth century logical arguments is one I found hard to follow. For me, the best part of the book is the concluding chapter, in which Broadie discusses the transition from scholastic logical thought to humanistic ideas of proof, more based on rhetoric and Ciceronian legal arguments, and the relation of scholasticism to the ideas of modern mathematics.

I would have welcomed a lot more historical context, and also some way to connect the thematically organised discussion to that context

My rating: 5/10.

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