realism

idealism

skepticism

Pythagoras of Samos

philosophy

mysticism

First Cause

epistemology

Process of Abstraction

corporeal

phantasm

ultimate propositions

first principles

intelligere
(intellect)

Correspondence Theory of Truth

accident

cogitative

corruption

custom

determined

existential

form

genus

hylomorphism

incorporeal

incorruptible

generation

innate

liberty

matter

metaphysics

nature

necessity

perception

purpose

quiddity

species

Rene Descartes

scholasticism

absolute truth

Methodic Doubt

cogito, ero sum

Decartes's melting wax

Ontological Argument

clear and distinct ideas

Idealist Theory of Knowledge

impressions

ideas
(skepticism)

salon

Enlightenment

Post-Enlightenment

nonsense

British Empirical School

Skeptic's Theory of Knowledge

Relations of Ideas

Matters of Fact

a priori