Page:Wittgenstein - Tractatus Logico-Philosophicus, 1922.djvu/205

Rh 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

Rh