Principia: An International Journal of Epistemology (Aug 2019)

In the Manner of Saccheri

  • Frank Thomas Sautter

DOI
https://doi.org/10.5007/1808-1711.2019v23n2p145
Journal volume & issue
Vol. 23, no. 2
pp. 145 – 151

Abstract

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I will apply a technique employed by Giovanni Girolamo Saccheri in Logica demonstrative (1701) to concisely prove the invalidity of moods of the First Figure of the Theory of the Assertoric Syllogism without appealing to facts outside logic.

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