This study proposes that Neoplatonism, while not a modern philosophy, is philosophy in the modern sense. Lloyd analyzes the key structures that underlie the dogmas of the Neoplatonic world picture, including the concept of emanation, the return of the soul to the One, the place of mystical knowledge, epistemology, and Porphyry's theory of predication, and shows that they rest on original but intelligible concepts and arguments.

A. C. Lloyd; XIV—Non-Discursive Thought—An Enigma of Greek Philosophy, Proceedings of the Aristotelian Society, Volume 70, Issue 1, 1 June 1970, Pages 261–274.

The author takes anderson to task for resting his argument on an "appeal to english usage," without analyzing that usage in relation to his point that subjunctive and counterfactual conditionals belong in one class. (staff).