Combining Texts
Ideas for
'Metaphysics', 'Relativism' and 'Critique of Pure Reason'
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21 ideas
10. Modality / A. Necessity / 1. Types of Modality
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18797
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Modalities do not augment our concepts; they express their relation to cognition [Kant]
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10. Modality / A. Necessity / 2. Nature of Necessity
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12611
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Necessity makes alternatives impossible [Aristotle]
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10. Modality / A. Necessity / 6. Logical Necessity
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17852
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A thing has a feature necessarily if its denial brings a contradiction [Aristotle]
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10. Modality / A. Necessity / 7. Natural Necessity
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5594
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Natural necessity is the unconditioned necessity of appearances [Kant]
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10. Modality / B. Possibility / 1. Possibility
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15779
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Possibility is when the necessity of the contrary is false [Aristotle]
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18795
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A concept is logically possible if non-contradictory (but may not be actually possible) [Kant]
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15769
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Anything which is possible either exists or will come into existence [Aristotle]
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5566
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Is the possible greater than the actual, and the actual greater than the necessary? [Kant]
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5613
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The analytic mark of possibility is that it does not generate a contradiction [Kant]
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10. Modality / B. Possibility / 4. Potentiality
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14544
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Potentialities are always for action, but are conditional on circumstances [Aristotle]
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15774
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We recognise potentiality from actuality [Aristotle]
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15777
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A 'potentiality' is a principle of change or process in a thing [Aristotle]
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15778
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Things are destroyed not by their powers, but by their lack of them [Aristotle]
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10. Modality / C. Sources of Modality / 4. Necessity from Concepts
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18796
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Formal experience conditions show what is possible, and general conditions what is necessary [Kant]
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10. Modality / C. Sources of Modality / 6. Necessity from Essence
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12612
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Some things have external causes of their necessity; others (the simple) generate necessities [Aristotle]
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15108
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Aristotle's says necessary truths are distinct and derive from essential truths [Aristotle, by Koslicki]
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10. Modality / D. Knowledge of Modality / 1. A Priori Necessary
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23461
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Kant thought worldly necessities are revealed by what maths needs to make sense [Kant, by Morris,M]
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14710
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Necessity is always knowable a priori, and what is known a priori is always necessary [Kant, by Schroeter]
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16256
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For Kant metaphysics must be necessary, so a priori, so can't be justified by experience [Kant, by Maudlin]
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5524
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Maths must be a priori because it is necessary, and that cannot be derived from experience [Kant]
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4719
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Maybe developments in logic and geometry have shown that the a priori may be relative [O'Grady]
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