Combining Texts
Ideas for
'On the Natural Faculties', 'The Barcan Formula and Metaphysics' and 'Critique of Pure Reason'
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11 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 / 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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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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18795
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A concept is logically possible if non-contradictory (but may not be actually possible) [Kant]
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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 / 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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10. Modality / E. Possible worlds / 1. Possible Worlds / d. Possible worlds actualism
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16188
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Serious Actualism says there are no facts at all about something which doesn't exist [Simchen]
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