Plotinus:

(204- 270 AD) Greek-speaking philosopher of the Roman Empire; born in Egypt’s delta, studied in Alexandria & eventually settled in Rome;  of the Platonic tradition; his philosophy- Neoplatonism- influential in Late Antiquity.  His metaphysical writings inspired centuries of Pagan, Islamic, Jewish, Christian, & Gnostic metaphysicians and mystics.

 

Bruno:

(1548-1600) Italian Dominican friar, philosopher, mathematician, poet & cosmological theorist, famous for his cosmological theories, which extended the Copernican model.  He proposed that the stars were distant suns with their own planets & which might have life.  He insisted that the universe is infinite & had no celestial body at its "centre".  Tried for heresy by Roman Inquisition, 1593, for denying eternal damnation, the Trinity, divinity of Christ, virginity of Mary & transubstantiation; found guilty & burned at the stake in Rome.

 

extension:

a prime quality of become, things which are spatially & materially extended & embodied in mathematical number

​

Plato:

 see Introduction page 9