Quest2ReasonClimb the mountain, sharpen your mind.

Ideas

Big questions

Pick a question and see how the schools answer it, one line each.

When an argument goes wrong, what do you check first?

5 schools answer this. See every school

Ask whether the conclusion actually follows, and from what was observed.

c. 340 BCE

Analytic philosophy

Frege, Russell, Moore, Wittgenstein

Take the sentence apart until the concept is precise enough to fail.

c. 1900 onward

Rationalism

Descartes, Spinoza, Leibniz

A valid chain of reason outranks a vivid impression.

1637 onward

Kantianism

Immanuel Kant

Check the limits of what a mind like ours can even claim to know.

1781 onward

Nyaya

Akshapada Gautama

A claim earns its way by a reliable means: what was perceived, what follows and who is in a position to say.

c. 2nd c. CE (text)