direct realism

illusion

hallucination

perceptual variation

time-lag

indirect realism

sense data (4 things)

primary qualities

secondary qualities

idealism

the objectivity of space and time

solipsism

ability knowledge

acquaintance knowledge

propositional knowledge

tripartite view

belief

false lemma

epistemic virtues (list 5)

concept empiricism

impressions

ideas

simple idea

complex idea

innate concept

knowledge empiricism

a priori intuition

a priori demonstration

a priori

a posteriori

analytic

synthetic

necessarily true

contingently true

possible world

deductive argument

inductive argument

realism

antirealism

epistemology