Disagreed with his teacher - Plato. Said there
aren't 2 separate realms.
The world we live in is the place where we can
have true knowledge.
We come to understand things
through sense experience.
Accepted empirical and a posteriori knowledge
He rejected Plato's Theory of the Forms and
said the world is made of matter.
The Four
Causes
1. Material Cause: what something's
made of, the matter/substance it's
made of e.g. a book is made from
paper
2. Formal Cause: what its characteristics are,
what gives the matter its form or structure.
3. Efficient Cause: its reason for
existing, how itcomes to exist, the
creator of it.
4. Final Cause: its use, the
reason it is the way it is, its
function.
Example - a statue: 1. marble 2.
shape of a statue 3. a mason
made it 4. to honour or
remember someone
Potentiality
+ Actuality
Potentiality = matter has the potential to acquire its final
form/telos
Everything has a
purpose/telos
Potentiality is
actualised by
motion (motus)
Example: a tadpole has the potentiality
to become a frog. The process of change
(motion) from tadpole to frog is
'actualisation'. The telos of a tadpole is
to become a frog.
Telos can be frustrated e.g. a
tadpole could be eaten by a
heron