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Expansion for Theory of Logic

909 1. Philosophy
553 2. Reason
578 3. Truth
768 4. Formal Logic

1184 5. Theory of Logic
A. Overview of Logic
32 1. Overview of Logic
15 2. History of Logic
22 3. Value of Logic
17 4. Pure Logic
18 5. First-Order Logic
26 6. Classical Logic
32 7. Second-Order Logic
8 8. Logic of Mathematics
2 9. Philosophical Logic
B. Logical Consequence
27 1. Logical Consequence
6 2. Types of Consequence
6 3. Deductive Consequence |-
16 4. Semantic Consequence |=
9 5. Modus Ponens
2 6. Entailment
5 7. Strict Implication
7 8. Material Implication
C. Ontology of Logic
18 1. Ontology of Logic
5 2. Platonism in Logic
11 3. If-Thenism
8 4. Logic by Convention
D. Assumptions for Logic
15 1. Bivalence
27 2. Excluded Middle
4 3. Contradiction
16 4. Identity in Logic
E. Structures of Logic
35 1. Logical Form
29 2. Logical Connectives a. Logical connectives
3 b. Basic connectives
9 c. not
6 d. and
7 e. or
2 3. Constants in Logic
19 4. Variables in Logic
13 5. Functions in Logic
9 6. Relations in Logic
6 7. Predicates in Logic
9 8. Theories in Logic
F. Referring in Logic
31 1. Naming a. Names
31 b. Names as descriptive
20 c. Names as referential
16 d. Singular terms
13 e. Empty names
6 f. Names eliminated
4 2. Descriptions a. Descriptions
21 b. Definite descriptions
24 c. Theory of definite descriptions
5 3. Property (λ-) Abstraction
G. Quantification
21 1. Quantification
16 2. Domain of Quantification
9 3. Objectual Quantification
22 4. Substitutional Quantification
11 5. Second-Order Quantification
25 6. Plural Quantification
9 7. Unorthodox Quantification
H. Proof Systems
4 1. Proof Systems
6 2. Axiomatic Proof
7 3. Proof from Assumptions
14 4. Natural Deduction
8 5. Tableau Proof
5 6. Sequent Calculi
I. Semantics of Logic
21 1. Semantics of Logic
6 2. Formal Truth
23 3. Logical Truth
12 4. Satisfaction
4 5. Extensionalism
4 6. Intensionalism
J. Model Theory in Logic
34 1. Logical Models
13 2. Isomorphisms
24 3. Löwenheim-Skolem Theorems
K. Features of Logics
29 1. Axiomatisation
10 2. Consistency
12 3. Soundness
14 4. Completeness
10 5. Incompleteness
17 6. Compactness
7 7. Decidability
10 8. Enumerability
2 9. Expressibility
6 10. Monotonicity
L. Paradox
5 1. Paradox
20 2. Aporiai
8 3. Antinomies
8 4. Paradoxes in Logic a. Achilles paradox
1 b. König's paradox
4 c. Berry's paradox
2 d. Richard's paradox
2 e. The Lottery paradox
4 5. Paradoxes in Set Theory a. Set theory paradoxes
2 b. Cantor's paradox
5 c. Burali-Forti's paradox
5 d. Russell's paradox
2 e. Mirimanoff's paradox
18 6. Paradoxes in Language a. The Liar paradox
6 b. The Heap paradox ('Sorites')
2 c. Grelling's paradox
1 d. The Preface paradox
2 7. Paradoxes of Time

1146 6. Mathematics
937 7. Existence
846 8. Modes of Existence
1493 9. Objects
771 10. Modality
399 11. Knowledge Aims
636 12. Knowledge Sources
602 13. Knowledge Criteria
629 14. Science
473 15. Nature of Minds
424 16. Persons
474 17. Mind and Body
713 18. Thought
767 19. Language
210 20. Action
196 21. Aesthetics
725 22. Metaethics
824 23. Ethics
179 24. Applied Ethics
986 25. Society
934 26. Natural Theory
585 27. Natural Reality
393 28. God
268 29. Religion