Ideas of John Duns Scotus, by Theme
[Scottish, 1266 - 1308, Born at Duns, Scotland. Taught at the University of Paris. Known as 'Doctor Subtilis'.]
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7. Existence / A. Nature of Existence / 3. Being / a. Nature of Being
22121
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The concept of being has only one meaning, whether talking of universals or of God [Dumont]
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22122
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Being (not sensation or God) is the primary object of the intellect [Dumont]
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7. Existence / A. Nature of Existence / 6. Criterion for Existence
16660
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Are things distinct if they are both separate, or if only one of them can be separate? [Pasnau]
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8. Modes of Existence / B. Properties / 1. Nature of Properties
16648
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Accidents must have formal being, if they are principles of real action, and of mental action and thought
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8. Modes of Existence / D. Universals / 4. Uninstantiated Universals
22125
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Duns Scotus was a realist about universals [Dumont]
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8. Modes of Existence / E. Nominalism / 1. Nominalism / a. Nominalism
15386
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If only the singular exists, science is impossible, as that relies on true generalities [Panaccio]
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15387
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If things were singular they would only differ numerically, but horse and tulip differ more than that [Panaccio]
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9. Objects / A. Existence of Objects / 5. Individuation / a. Individuation
16632
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We distinguish one thing from another by contradiction, because this is, and that is not
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9. Objects / A. Existence of Objects / 5. Individuation / d. Individuation by haecceity
22127
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Scotus said a substantial principle of individuation [haecceitas] was needed for an essence [Dumont]
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13094
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The haecceity is the featureless thing which gives ultimate individuality to a substance [Cover/O'Leary-Hawthorne]
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9. Objects / B. Unity of Objects / 1. Unifying an Object / a. Intrinsic unification
16650
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'Unity' is a particularly difficult word, because things can have hidden unity
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9. Objects / B. Unity of Objects / 1. Unifying an Object / b. Unifying aggregates
16770
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It is absurd that there is no difference between a genuinely unified thing, and a mere aggregate
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9. Objects / B. Unity of Objects / 2. Substance / a. Substance
16776
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Substance is an intrinsic thing, so parts of substances can't also be intrinsic things
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16626
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Substance is only grasped under the general heading of 'being'
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9. Objects / C. Structure of Objects / 2. Hylomorphism / d. Form as unifier
16614
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Matter and form give true unity; subject and accident is just unity 'per accidens'
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9. Objects / C. Structure of Objects / 8. Parts of Objects / c. Wholes from parts
10919
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What prevents a stone from being divided into parts which are still the stone?
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9. Objects / D. Essence of Objects / 2. Types of Essence
22126
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Avicenna and Duns Scotus say essences have independent and prior existence [Dumont]
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9. Objects / F. Identity among Objects / 8. Leibniz's Law
16768
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Two things are different if something is true of one and not of the other
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11. Knowledge Aims / B. Certain Knowledge / 1. Certainty
22129
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Certainty comes from the self-evident, from induction, and from self-awareness [Dumont]
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11. Knowledge Aims / C. Knowing Reality / 1. Perceptual Realism / b. Direct realism
22130
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Scotus defended direct 'intuitive cognition', against the abstractive view [Dumont]
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12. Knowledge Sources / A. A Priori Knowledge / 2. Self-Evidence
22128
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Augustine's 'illumination' theory of knowledge leads to nothing but scepticism [Dumont]
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16. Persons / F. Free Will / 2. Sources of Free Will
22131
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The will retains its power for opposites, even when it is acting [Dumont]
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28. God / A. Divine Nature / 2. Divine Nature
22123
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The concept of God is the unique first efficient cause, final cause, and most eminent being [Dumont]
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28. God / B. Proving God / 3. Proofs of Evidence / a. Cosmological Proof
22124
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We can't infer the infinity of God from creation ex nihilo [Dumont]
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