Aristotle

C. Dixon, “The Atlantic,” The Atlantic, Mar. 20, 2017. https://www.theatlantic.com/technology/archive/2017/03/aristotle-computer/518697/ (accessed Sep. 28, 2021).‌

Theophrastus

Philo of Megara

Chrysippus

William Of Ockham

[vanHeijenoort] J. van Heijenoort, From Frege to G ̈odel, a source book in

mathematical logic, 1879–1931, Harvard University Press (1967).

Ludwig Wittgenstein

Vienna circle

Newton da Costa