Single Idea 3346

[catalogued under 2. Reason / A. Nature of Reason / 4. Aims of Reason]

Full Idea

Leibniz distinguished two fundamental principles of rationality - the principle of non-contradiction and the principle of sufficient reason.

Clarification

'Non-contradiction' is the refusal to accept contradictory ideas; 'sufficient reason' is the assumption that there is a reason for everything

Gist of Idea

For Leibniz rationality is based on non-contradiction and the principle of sufficient reason

Source

report of Gottfried Leibniz (works [1690]) by José A. Benardete - Metaphysics: the logical approach Ch.18

Book Reference

Benardete,José A.: 'Metaphysics: The Logical Approach' [OUP 1989], p.136