Realism, Idealism, and Skepticism on Purpose in Nature and Change

existential

essential

Four Causes

Material Cause

Formal Cause

accidental

substantial

Efficient Cause

Final Cause

Potency

Act

prime matter

secondary matter

How is matter a cause?

How is form a cause?

hylomorphism

generation

corruption

What are the three things necessary for generation and corruption?

privation

teleology

Aristotle's First Argument for Purpose in Nature

Aristotle's Second Argument for Purpose in Nature

Decartes's Argument on Change in Nature

Descartes's Response to Concerns on Evil; Argument for Purpose in Nature

Descartes's argument on why other things may exist in the universe

Descartes's first argument on why it is possible things exist

Descartes's second argument on why material things may exist

Descartes's first argument on why it is probable that material things exist

Descartes's second argument on why it is probable material things exist

dualism

belief
(according to Hume)