By John Locke




Epistle to the Reader


Book One:  Neither Principles nor Ideas Are Innate

Chapter 1:  No Innate Speculative Principles

Chapter 2:  No Innate Practical Principles

Chapter 3:  Other considerations concerning Innate Principles, both Speculative and Practical

Book Two: Of Ideas

Chapter 1:  Of Ideas in general, and their Original

Chapter 2:  Of Simple Ideas

Chapter 3:  Of Simple Ideas of Sense

Chapter 4:  Idea of Solidity

Chapter 5:  Of Simple Ideas of Divers Senses

Chapter 6:  Of Simple Ideas of Reflection

Chapter 7:  Of Simple Ideas of both Sensation and Reflection

Chapter 8:  Some further considerations concerningour Simple Ideas of Sensation

Chapter 9:  Of Perception

Chapter 10:  Of Retention

Chapter 11:  Of Discerning, and other operations of the Mind

Chapter 12:  Of Complex Ideas

Chapter 13:  Complex Ideas of Simple Modes:- and First, of the Simple Modes of the Idea of Space

Chapter 14:  Idea of Duration and its Simple Modes

Chapter 15:  Ideas of Duration and Expansion, considered together

Chapter 16:  Idea of Number

Chapter 17:  Of Infinity

Chapter 18:  Other Simple Modes

Chapter 19:  Of the Modes of Thinking

Chapter 20:  Of Modes of Pleasure and Pain

Chapter 21:  Of Power

Chapter 22:  Of Mixed Modes

Chapter 23:  Of our Complex Ideas of Substances

Chapter 24:  Of Collective Ideas of Substances

Chapter 25:  Of Relation

Chapter 26:  Of Cause and Effect, and other Relations

Chapter 27:  Of Identity and Diversity

Chapter 28:  Of Other Relations

Chapter 29:  Of Clear and Obscure, Distinct and Confused Ideas

Chapter 30:  Of Real and Fantastical Ideas

Chapter 31:  Of Adequate and Inadequate Ideas

Chapter 32:  Of True and False Ideas

Chapter 33:  Of the Association of Ideas

Book Three: Of Words

Chapter 1:  Of Words or Language in General

Chapter 2:  Of the Signification of Words

Chapter 3:  Of General Terms

Chapter 4:  Of the Names of Simple Ideas

Chapter 5:  Of the Names of Mixed Modes and Relations

Chapter 6:  Of the Names of Substances

Chapter 7:  Of Particles

Chapter 8:  Of Abstract and Concrete Terms

Chapter 9:  Of the Imperfection of Words

Chapter 10:  Of the Abuse of Words

Chapter 11:  Of the Remedies of the Foregoing Imperfections and Abuses of Words

Book Four: Of Knowledge and Probability

Chapter 1:  Of Knowledge in General

Chapter 2:  Of the Degrees of our Knowledge

Chapter 3:  Of the Extent of Human Knowledge

Chapter 4:  Of the Reality of Knowledge

Chapter 5:  Of Truth in General

Chapter 6:  Of Universal Propositions: their Truth and Certainty

Chapter 7:  Of Maxims

Chapter 8:  Of Trifling Propositions

Chapter 9:  Of our Threefold Knowledge of Existence

Chapter 10:  Of our Knowledge of the Existence of a God

Chapter 11:  Of our Knowledge of the Existence of Other Things

Chapter 12:  Of the Improvement of our Knowledge

Chapter 13:  Some Further Considerations Concerning our Knowledge

Chapter 14:  Of Judgment

Chapter 15:  Of Probability

Chapter 16:  Of the Degrees of Assent

Chapter 17:  Of Reason

Chapter 18:  Of Faith and Reason, and their Distinct Provinces

Chapter 19:  Of Enthusiasm

Chapter 20:  Of Wrong Assent, or Error

Chapter 21:  Of the Division of the Sciences

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