Ideas from 'Meditations' by René Descartes [1641], by Theme Structure
[found in 'Discourse on Method/The Meditations' by Descartes,René (ed/tr Sutcliffe,F.E.) [Penguin 1968,0-14-044206-5]].
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1. Philosophy / B. History of Ideas / 5. Later European Thought
7504
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Modern science comes from Descartes' view that knowledge doesn't need moral purity [Foucault]
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2. Reason / A. Nature of Reason / 2. Logos
1569
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Descartes impoverished the classical idea of logos, and it no longer covered human experience [Roochnik]
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2. Reason / A. Nature of Reason / 4. Aims of Reason
2248
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Reason says don't assent to uncertain principles, just as much as totally false ones
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2. Reason / A. Nature of Reason / 7. Status of Reason
2857
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Since Plato all philosophers have followed the herd, except Descartes, stuck in superficial reason [Nietzsche]
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2. Reason / F. Fallacies / 4. Circularity
2290
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Once it is clear that there is a God who is no deceiver, I conclude that clear and distinct perceptions must be true
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3641
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It is circular to make truth depend on believing God's existence is true [Arnauld]
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4524
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Descartes is right that in the Christian view only God can guarantee the reliability of senses [Nietzsche]
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3. Truth / A. Truth Problems / 8. Subjective Truth
2266
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My general rule is that everything that I perceive clearly and distinctly is true
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4301
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Someone may think a thing is 'clear and distinct', but be wrong [Leibniz]
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5. Theory of Logic / C. Ontology of Logic / 3. If-Thenism
10054
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Arithmetic and geometry achieve some certainty without worrying about existence
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6. Mathematics / A. Nature of Mathematics / 1. Mathematics
2252
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Surely maths is true even if I am dreaming?
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2430
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I can learn the concepts of duration and number just from observing my own thoughts
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9. Objects / B. Unity of Objects / 1. Unifying an Object / c. Unity as conceptual
2297
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If I can separate two things in my understanding, then God can separate them in reality
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9. Objects / B. Unity of Objects / 2. Substance / e. Substance critique
3628
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Substance cannot be conceived or explained to others [Gassendi]
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9. Objects / C. Structure of Objects / 7. Substratum
16631
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If we remove surface qualities from wax, we have an extended, flexible, changeable thing
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9. Objects / D. Essence of Objects / 4. Essence as Definition
17865
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Descartes gives an essence by an encapsulating formula [Almog]
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10. Modality / D. Knowledge of Modality / 1. A Priori Necessary
2301
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We know by thought that what is done cannot be undone
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10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / b. Conceivable but impossible
3642
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Pythagoras' Theorem doesn't cease to be part of the essence of triangles just because we doubt it [Arnauld]
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11. Knowledge Aims / A. Knowledge / 4. Belief / d. Cause of beliefs
20190
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Belief is not an intellectual state or act, because propositions are affirmed or denied by the will [Zagzebski]
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11. Knowledge Aims / B. Certain Knowledge / 1. Certainty
2256
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Maybe there is only one certain fact, which is that nothing is certain
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1585
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Descartes tried to model reason on maths instead of 'logos' [Roochnik]
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1582
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Labelling slightly doubtful things as false is irrational [Roochnik]
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11. Knowledge Aims / B. Certain Knowledge / 4. The Cogito
2258
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I must even exist if I am being deceived by something
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3160
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The Cogito is a transcendental argument, not a piece of a priori knowledge [Rey]
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2260
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If I don't think, there is no reason to think that I exist
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3849
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"I think therefore I am" is the absolute truth of consciousness [Sartre]
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6929
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Modern philosophy set the self-conscious ego in place of God [Feuerbach]
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6914
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Descartes transformed 'God is thinkable, so he exists' into 'I think, so I exist' [Feuerbach]
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4641
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In the Meditations version of the Cogito he says "I am; I exist", which avoids presenting it as an argument [Baggini /Fosl]
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2259
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"I am, I exist" is necessarily true every time I utter it or conceive it in my mind
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11. Knowledge Aims / B. Certain Knowledge / 5. Cogito Critique
2873
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Maybe 'I' am not the thinker, but something produced by thought [Nietzsche]
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1369
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It is a precondition of the use of the word 'I' that I exist [Ayer]
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5360
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The thing which experiences may be momentary, and change with the next experience [Russell]
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2870
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'I think' assumes I exist, that thinking is known and caused, and that I am doing it [Nietzsche]
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5188
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A thought doesn't imply other thoughts, or enough thoughts to make up a self [Ayer]
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3624
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That I perform an activity (thinking) doesn't prove what type of thing I am [Hobbes]
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4526
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The Cogito assumes a priori the existence of substance, when actually it is a grammatical custom [Nietzsche]
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5579
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How can we infer that all thinking involves self-consciousness, just from my own case? [Kant]
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5580
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My self is not an inference from 'I think', but a presupposition of it [Kant]
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5587
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We cannot give any information a priori about the nature of the 'thing that thinks' [Kant]
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5588
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The fact that I am a subject is not enough evidence to show that I am a substantial object [Kant]
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13923
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Descartes' claim to know his existence before his essence is misleading or absurd [Lowe]
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6930
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Modern self-consciousness is a doubtful abstraction; only senses and feelings are certain [Feuerbach]
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1117
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The Cogito proves subjective experience is basic, but makes false claims about the Self [Russell]
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3120
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Autistic children seem to use the 'I' concept without seeing themselves as thinkers [Segal]
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3623
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The Cogito only works if you already understand what thought and existence are [Mersenne]
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11. Knowledge Aims / C. Knowing Reality / 2. Phenomenalism
2261
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My perceiving of things may be false, but my seeming to perceive them cannot be false
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11. Knowledge Aims / C. Knowing Reality / 4. Solipsism
2257
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I myself could be the author of all these self-delusions
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12. Knowledge Sources / A. A Priori Knowledge / 4. A Priori as Necessities
2279
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A triangle has a separate non-invented nature, shown by my ability to prove facts about it
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12. Knowledge Sources / B. Perception / 2. Qualities in Perception / c. Primary qualities
6490
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For Descartes, objects have one primary quality, which is geometrical [Robinson,H]
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12. Knowledge Sources / B. Perception / 5. Interpretation
2295
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Why does pain make us sad?
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12. Knowledge Sources / C. Rationalism / 1. Rationalism
2263
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The wax is not perceived by the senses, but by the mind alone
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3627
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Dogs can make the same judgements as us about variable things [Gassendi]
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2265
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We perceive objects by intellect, not by senses or imagination
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2264
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We don't 'see' men in heavy clothes, we judge them to be men
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13. Knowledge Criteria / B. Internal Justification / 4. Foundationalism / a. Foundationalism
2247
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To achieve good science we must rebuild from the foundations
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2255
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Only one certainty is needed for progress (like a lever's fulcrum)
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13. Knowledge Criteria / D. Scepticism / 1. Scepticism
2251
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Even if my body and objects are imaginary, there may be simpler things which are true
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6347
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Descartes can't begin again, because sceptics doubt cognitive processes as well as beliefs [Pollock/Cruz]
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13. Knowledge Criteria / D. Scepticism / 3. Illusion Scepticism
3620
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We correct sense errors with other senses, not intellect [Mersenne]
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2249
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It is prudent never to trust your senses if they have deceived you even once
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3619
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The senses can only report, so perception errors are in the judgment [Gassendi]
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2296
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If pain is felt in a lost limb, I cannot be certain that a felt pain exists in my real limbs
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13. Knowledge Criteria / D. Scepticism / 4. Demon Scepticism
2253
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God may have created nothing, but made his creation appear to me as it does now
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2254
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To achieve full scepticism, I imagine a devil who deceives me about the external world and my own body and senses
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13. Knowledge Criteria / D. Scepticism / 5. Dream Scepticism
2305
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Waking actions are joined by memory to all our other actions, unlike actions of which we dream
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13. Knowledge Criteria / D. Scepticism / 6. Scepticism Critique
2294
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I can only sense an object if it is present, and can't fail to sense it when it is
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15. Nature of Minds / A. Nature of Mind / 3. Mental Causation
4862
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Can the pineal gland be moved more slowly or quickly by the mind than by animal spirits? [Spinoza]
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15. Nature of Minds / A. Nature of Mind / 4. Other Minds / c. Knowing other minds
3850
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We discovers others as well as ourselves in the Cogito [Sartre]
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15. Nature of Minds / A. Nature of Mind / 5. Unity of Mind
2302
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Faculties of the mind aren't parts, as one mind uses them
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15. Nature of Minds / B. Features of Minds / 5. Qualia / a. Nature of qualia
3151
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Descartes put thought at the centre of the mind problem, but we put sensation [Rey]
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15. Nature of Minds / C. Capacities of Minds / 1. Faculties
21800
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Descartes mentions many cognitive faculties, but reduces them to will and intellect [Schmid]
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15. Nature of Minds / C. Capacities of Minds / 2. Imagination
1399
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Imagination and sensation are non-essential to mind
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16. Persons / A. Concept of a Person / 1. Existence of Persons
1400
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Some cause must unite the separate temporal sections of a person
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16. Persons / D. Continuity of the Self / 7. Self and Thinking
1401
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Since I only observe myself to be thinking, I conclude that that is my essence
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2299
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I can exist without imagination and sensing, but they can't exist without me
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6907
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For Descartes a person's essence is the mind because objects are perceived by mind, not senses [Feuerbach]
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16. Persons / F. Free Will / 1. Nature of Free Will
2283
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Our 'will' just consists of the feeling that when we are motivated to do something, there are no external pressures
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16. Persons / F. Free Will / 4. For Free Will
2282
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My capacity to make choices with my free will extends as far as any faculty ever could
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17. Mind and Body / A. Mind-Body Dualism / 1. Dualism
2276
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The mind is a non-extended thing which thinks
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2298
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Mind is not extended, unlike the body
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3423
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Descartes is a substance AND property dualist [Kim]
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2303
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The mind is utterly indivisible
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17. Mind and Body / A. Mind-Body Dualism / 2. Interactionism
6153
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Interaction between mental and physical seems to violate the principle of conservation of energy [Rowlands]
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17. Mind and Body / A. Mind-Body Dualism / 8. Dualism of Mind Critique
3625
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The 'thinking thing' may be the physical basis of the mind [Hobbes]
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2552
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Knowing different aspects of brain/mind doesn't make them different [Rorty]
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4305
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Descartes gives no clear criterion for individuating mental substances [Cottingham]
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4861
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Does Descartes have a clear conception of how mind unites with body? [Spinoza]
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6540
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Even Descartes may concede that mental supervenes on neuroanatomical [Lycan]
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7733
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Superman's strength is indubitable, Clark Kent's is doubtful, so they are not the same? [Maslin]
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18. Thought / A. Modes of Thought / 2. Propositional Attitudes
5686
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In some thoughts I grasp a subject, but also I will or fear or affirm or deny it
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18. Thought / A. Modes of Thought / 5. Rationality / b. Human rationality
4017
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Descartes created the modern view of rationality, as an internal feature instead of an external vision [Taylor,C]
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18. Thought / A. Modes of Thought / 6. Judgement / b. Error
2284
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I make errors because my will extends beyond my understanding
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18. Thought / C. Content / 2. Ideas
5685
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True ideas are images, such as of a man, a chimera, or God
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18. Thought / C. Content / 10. Causal Semantics
3629
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All ideas are adventitious, and come from the senses [Gassendi]
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18. Thought / D. Concepts / 2. Origin of Concepts / c. Nativist concepts
2273
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The ideas of God and of my self are innate in me
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2285
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I can think of innumerable shapes I have never experienced
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2286
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The idea of a supremely perfect being is within me, like the basic concepts of mathematics
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26. Natural Theory / A. Speculations on Nature / 2. Natural Purpose / a. Final purpose
2280
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Many causes are quite baffling, so it is absurd to deduce causes from final purposes
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26. Natural Theory / C. Causation / 8. Particular Causation / c. Conditions of causation
2272
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There must be at least as much in the cause as there is in the effect
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28. God / A. Divine Nature / 2. Divine Nature
2289
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Nothing apart from God could have essential existence, and such a being must be unique and eternal
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2269
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God the creator is an intelligent, infinite, powerful substance
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28. God / A. Divine Nature / 3. Divine Perfections
2275
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It is self-evident that deception is a natural defect, so God could not be a deceiver
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28. God / B. Proving God / 2. Proofs of Reason / a. Ontological Proof
2268
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One idea leads to another, but there must be an initial idea that contains the reality of all the others
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2274
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The idea of God in my mind is like the mark a craftsman puts on his work
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2287
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Existence and God's essence are inseparable, like a valley and a mountain, or a triangle and its properties
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2288
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I cannot think of a supremely perfect being without the supreme perfection of existence
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28. God / B. Proving God / 2. Proofs of Reason / b. Ontological Proof critique
3633
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We can never conceive of an infinite being [Gassendi]
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3632
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We mustn't worship God as an image because we have no idea of him [Hobbes]
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3638
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Existence is not a perfection; it is what makes perfection possible [Gassendi]
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5036
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Descartes cannot assume that a most perfect being exists without contradictions [Leibniz]
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29. Religion / D. Religious Issues / 3. Problem of Evil / c. Human Error
2277
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Since God does not wish to deceive me, my judgement won't make errors if I use it properly
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3636
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God didn't give us good judgement even about our own lives [Gassendi]
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2278
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Error arises because my faculty for judging truth is not infinite
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29. Religion / D. Religious Issues / 3. Problem of Evil / d. Natural Evil
2281
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If we ask whether God's works are perfect, we must not take a narrow viewpoint, but look at the universe as a whole
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