Ideas from 'Three Dialogues of Hylas and Philonous' by George Berkeley [1713], by Theme Structure

[found in 'The Principles of Human Knowledge etc.' by Berkeley,George (ed/tr Warnock,G.J.) [Fontana 1962,-]].

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7. Existence / A. Nature of Existence / 5. Reason for Existence

3942	I do not believe in the existence of anything, if I see no reason to believe it

7. Existence / A. Nature of Existence / 6. Criterion for Existence

3952	I know that nothing inconsistent can exist

9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined

3959	There is no other substance, in a strict sense, than spirit

10. Modality / A. Necessity / 10. Impossibility

3946	A thing is shown to be impossible if a contradiction is demonstrated within its definition

11. Knowledge Aims / C. Knowing Reality / 1. Perceptual Realism / a. Naïve realism

3958	Since our ideas vary when the real things are said to be unchanged, they cannot be true copies

11. Knowledge Aims / C. Knowing Reality / 1. Perceptual Realism / b. Direct realism

3943	If existence is perceived directly, by which sense; if indirectly, how is it inferred from direct perception?

11. Knowledge Aims / C. Knowing Reality / 2. Phenomenalism

3931	Sensible objects are just sets of sensible qualities

5192	Berkeley did not deny material things; he merely said they must be defined through sensations [Ayer]

5174	Berkeley needed a phenomenalist account of the self, as well as of material things [Ayer]

11. Knowledge Aims / C. Knowing Reality / 3. Idealism / c. Empirical idealism

1103	'To be is to be perceived' is a simple confusion of experience with its objects [Russell]

6403	For Berkelely, reality is ideas and a community of minds, including God's [Grayling]

3936	Time is measured by the succession of ideas in our minds

3930	There is no such thing as 'material substance'

3939	I conceive a tree in my mind, but I cannot prove that its existence can be conceived outside a mind

3945	There is nothing in nature which needs the concept of matter to explain it

3947	Perceptions are ideas, and ideas exist in the mind, so objects only exist in the mind

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / c. Primary qualities

3933	Primary qualities (such as shape, solidity, mass) are held to really exist, unlike secondary qualities

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / e. Primary/secondary critique

3934	A mite would see its own foot as large, though we would see it as tiny

3935	The apparent size of an object varies with its distance away, so that can't be a property of the object

3937	'Solidity' is either not a sensible quality at all, or it is clearly relative to our senses

3940	Distance is not directly perceived by sight

12. Knowledge Sources / B. Perception / 3. Representation

3957	Immediate objects of perception, which some treat as appearances, I treat as the real things themselves

12. Knowledge Sources / D. Empiricism / 1. Empiricism

3953	Real things and imaginary or dreamed things differ because the latter are much fainter

12. Knowledge Sources / D. Empiricism / 4. Pro-Empiricism

3938	Geometry is originally perceived by senses, and so is not purely intellectual

13. Knowledge Criteria / D. Scepticism / 3. Illusion Scepticism

3944	It is possible that we could perceive everything as we do now, but nothing actually existed.

13. Knowledge Criteria / E. Relativism / 3. Subjectivism

3932	A hot hand and a cold hand will have different experiences in the same tepid water

15. Nature of Minds / A. Nature of Mind / 4. Other Minds / c. Knowing other minds

3948	Experience tells me that other minds exist independently from my own

17. Mind and Body / E. Mind as Physical / 5. Causal Argument

3941	How can that which is unthinking be a cause of thought?

18. Thought / C. Content / 2. Ideas

5374	Berkeley probably used 'idea' to mean both the act of apprehension and the thing apprehended [Russell]

22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / a. Preconditions for ethics

3954	Immorality is not in the action, but in the deviation of the will from moral law

28. God / B. Proving God / 1. Proof of God

3950	There must be a God, because all sensible things must be perceived by him

3951	There must be a God, because I and my ideas are not independent

28. God / B. Proving God / 3. Proofs of Evidence / b. Teleological Proof

3949	It has been proved that creation is the workmanship of God, from its beauty and usefulness

29. Religion / D. Religious Issues / 3. Problem of Evil / b. Human Evil

3956	People are responsible because they have limited power, though this ultimately derives from God

29. Religion / D. Religious Issues / 3. Problem of Evil / d. Natural Evil

3955	If sin is not just physical, we don't consider God the origin of sin because he causes physical events