Keep scrolling down for answers and more stats ...
Greek philosophy
Greek philosophy (Academy)
Greek philosophy (Peripatetic school)
Roman philosophy
Stoicism
Christian philosophy
Scholasticism
Empiricism
Rationalism, dualism
Rationalism, pantheism
Empiricism, liberalism
Rationalism, monism
Empiricism, skepticism
Subjective idealism, empiricism
Transcendental idealism
Absolute idealism
Transcendental idealism, pessimism
Positivism
Existentialism
Existentialism
Pragmatism
Phenomenology
Analytic philosophy
Analytic philosophy
Phenomenology, existentialism
Existentialism
Existentialism, feminism
Absurdism