INDEX
Problems, the deepest, are no problems, 4.003 (3)
Projection
- and translation, 4.0141
- method of, as thought, 3.11 (2)
- possibility of, belongs to proposition, 3.13 (2)
Proof
- in logic, a mechanical expedient, 6.1263
- of significant proposition contrasted with proof in logic, 6.1263
- of twice two, 6.241
Propositional connexion {Satzverband), 4.221
Propositional sign
- as determining logical place, 3.41
- cannot contain itself, 3. 332
- defined, 3.12
- elements of, 3.2
- essential nature of, 3.1431 (1)
- is a fact, 3.14, 3.143
- relation of, to proposition, 3.12
- sense of, needs no explanation, 4.02, 4.021
- truth table as, 4.44, 4.442 (1)
Propositional variable
- bar symbol for, 5.501
- defined, 3.313 (3)
- determination of values of, 3.316
- expresses a formal concept, 4.126 (8)
- every variable conceivable as, 3.314
- relation to logical form, 3.315
Propositions
- accidental features of, 3.34
- about complexes, 3.24
- all of equal value, 6.4
- always complete pictures, 5.156 (4)
- analysis of, 3.201, 3.25, 4.221 (1)
- and truth possibilities of elementary prepositions, 4.4
- are articulated, 3.141 (2), 3.251, 4.032 (1)
- are compared with reality, 4.05
- are composite, 4.032 (2), 5.5261 (1)
- are descriptions of facts, 4.023 (3)
- are expressions, 3.31 (2)
- are expressions of their truth conditions, 4.431 (2)
- are generalizations of elementary propositions, 4.52
- are pictures of reality, 4.021
- are truth-functions of elementary propositions, 5(1)
- as configurations of objects, 2.0231
- as functions of expressions, 3.318
- as logical pictures, 4.01 (1), 4.03 (3)
- as models of reality, 4.01 (2)
- can say nothing about themselves, 3.332
- cannot assert their own truth, 4.442 (3)
- cannot be given sense by assertion, 4.064
- cannot represent logical form, 4.12 (1), 4.121
- completely generalized, 5.526 (1), 5.5261 (1)
- content of, 3.13 (4)
- denial of, 4.0641
- determine one logical place each, 3.42
- elementary
- are truth-arguments of proposition, 5.01
- assignment of truth-values to, describes the world, 4.26
- cannot be given a priori, 5.5571
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