Gillon, Brendan (2011), "Logic in Classical Indian Philosophy", in Zalta, Edward N. (ed.), The Stanford Encyclopedia of Philosophy (Spring 2024 ed.), Metaphysics Research Lab, Stanford University, retrieved 2024-03-03.
Wilson, Catherine (2018), "Leibniz's Influence on Kant", in Zalta, Edward N. (ed.), The Stanford Encyclopedia of Philosophy (Spring 2018 ed.), Metaphysics Research Lab, Stanford University, retrieved 2021-02-20.
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the-philosopher.co.uk
James Danaher, The Laws of Thought "The restrictions Plato places on the laws of thought (i.e., "in the same respect," and "at the same time,") are an attempt to isolate the object of thought by removing it from all other time but the present and all respects but one."
tufts.edu
perseus.tufts.edu
(80B1 DK). According to Plato's Theaetetus, section 152a. [1]
S.M. Cohen, Aristotle on the Principle of Non-Contradiction "Aristotle's solution in the Posterior Analytics is to distinguish between episteme (scientific knowledge) and nous (intuitive intellect). First principles, such as PNC, are not objects of scientific knowledge - since they are not demonstrable - but are still known, since they are grasped by nous."
