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Did the medieval philosophers admit the identity principle as prior to the principle of non-contradiction?

The present article deals with the not very common opinion among medieval philosophers according to which the identity principle (ens est ens) is the true first principle, undermining the primacy of the principle of non-contradiction. Following a refutation of this position in the logical work of the Franciscan Geraldus Odonis, we intend to investigate its target as well as other cases of the same dispute in 14th century authors: Antoine Andre, John of Buridan, John of Baconthorpe and Nicolas of Autrecourt. We defend that Odonis presents a successful response to this position.

Citação completa

SCHMIDT, Ana Rieger. Did the medieval philosophers admit the identity principle as prior to the principle of non-contradiction? VERITAS, Porto Alegre, v. 63, p. 976-997, 2018.