 Finally, we know a little bit about Speusippus’ attitude toward the epistemology of mathematics. Assuming that Aristotle in Metaphysics XIV 3. 1090a25–29, 35-b1 is discussing Speusippus (he is talking about “those who say there is only the mathematical number”), Speusippus held that the truths of mathematics are not about perceptible things, and that the axioms from which they follow “fawn on the soul”: that is, perhaps, suggest themselves. And Proclus tells us this (Commentary on Book I of Euclid’s Elements, Friedlein 1873 p. 179.8–22; Morrow 1970 p. 141):