Full Idea
A subject which has no properties of its own at all is called by Aristotle 'ultimate matter', and it is hotly disputed whether Aristotle acknowledges that such matter exists.
Gist of Idea
It is unclear whether Aristotle believes in a propertyless subject, his 'ultimate matter'
Source
report of Aristotle (Metaphysics [c.324 BCE], 1029a) by Hugh Lawson-Tancred - Introductions to 'Metaphysics' p.174
Book Reference
Aristotle: 'Metaphysics', ed/tr. Lawson-Tancred,Hugh [Penguin 1998], p.174