It is a theory that says all knowledge is derived from sense-experience.

• Memory Theory

• Skepticism

• Empiricism

• Epiphenomenalism

It is a theory proposed by John Locke which states that a person's identity only reaches as far as their memory extends into the past

• Memory Theory

• Skepticism

• Empiricism

• Epiphenomenalism

It is a philosophical concept which allows a person to doubt and question things to gain awareness and certainty.

• Memory Theory

• Skepticism

• Empiricism

• Epiphenomenalism

It is a philosophical view that states our physical aspects can give rise to the mental states. Meanwhile, our mental states can't affect our physical events.

• Memory Theory

• Skepticism

• Empiricism

• Epiphenomenalism

He is a physician and an English philosopher who proposed the "Memory Theory".

• René Descartes

• David Hume

• John Locke

• Paul Churchland

He is a scientist and a French philosopher who conceptualized Skepticism and also the "Father of Modern Philosophy".

• René Descartes

• David Hume

• John Locke

• Paul Churchland

He is a historian and a Scottish philosopher who conceptualized the theory of empiricism.

• René Descartes

• David Hume

• John Locke

• Paul Churchland

He is a Canadian philosopher and a neurophilosopher who opened the contemporary philosophy by supporting reductive physicalism.

• René Descartes

• David Hume

• John Locke

• Paul Churchland

He is a teacher and an ancient Greek philosopher who conceptualized 'Dualism' and 'Body Theory'.

• Socrates

• Plato

• St. Augustine of Hippo

• Auguste Comte

He is a Doctor of the Church who added Christianity to the views of Plato.

• Socrates

• Plato

• St. Augustine of Hippo

• Auguste Comte