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Expansion for Modality

995 1. Philosophy
601 2. Reason
597 3. Truth
779 4. Formal Logic
1217 5. Theory of Logic
1165 6. Mathematics
1005 7. Existence
851 8. Modes of Existence
1512 9. Objects

785 10. Modality
A. Necessity
8 1. Types of Modality
23 2. Nature of Necessity
26 3. Types of Necessity
14 4. De re / De dicto modality
29 5. Metaphysical Necessity
40 6. Logical Necessity
18 7. Natural Necessity
6 8. Transcendental Necessity
1 9. Normative Necessity
6 10. Impossibility
20 11. Denial of Necessity
B. Possibility
41 1. Possibility
3 2. Epistemic possibility
4 3. Combinatorial possibility
12 4. Potentiality
10 5. Contingency
14 6. Probability
9 7. Chance
11 8. Conditionals a. Conditionals
6 b. Types of conditional
25 c. Truth-function conditionals
15 d. Non-truthfunction conditionals
6 e. Supposition conditionals
6 f. Pragmatics of conditionals
23 9. Counterfactuals
C. Sources of Modality
28 1. Sources of Necessity
3 2. Necessity as Primitive
11 3. Necessity by Convention
12 4. Necessity from Concepts
15 5. Modality from Actuality
17 6. Necessity from Essence
D. Knowledge of Modality
20 1. A Priori Necessary
6 2. A Priori Contingent
10 3. A Posteriori Necessary
25 4. Conceivable as Possible a. Conceivable as possible
10 b. Conceivable but impossible
6 c. Possible but inconceivable
E. Possible worlds
31 1. Possible Worlds a. Possible worlds
8 b. Impossible worlds
13 c. Possible worlds realism
13 d. Possible worlds actualism
28 e. Against possible worlds
30 2. Nature of Possible Worlds a. Nature of possible worlds
8 b. Worlds as fictions
7 c. Worlds as propositions
30 3. Transworld Objects a. Transworld identity
22 b. Rigid designation
31 c. Counterparts
16 d. Haecceitism
9 e. Possible Objects

460 11. Knowledge Aims
672 12. Knowledge Sources
611 13. Knowledge Criteria
670 14. Science
508 15. Nature of Minds
454 16. Persons
479 17. Mind and Body
746 18. Thought
813 19. Language
227 20. Action
231 21. Aesthetics
828 22. Metaethics
892 23. Ethics
191 24. Applied Ethics
1141 25. Society
960 26. Natural Theory
593 27. Natural Reality
403 28. God
277 29. Religion