INDEX
Expressions — continued
- guarantee existence of the logical place, 3.4
have meaning only in a proposition, 3.314 (1)
- presented by a variable, 3.313 (1)
- the proposition is a function of them, 3.318
- the term defined, 3.31 (1)
External property, 2.01231, 2.0233. (See also Internal property)
"Fact", a formal concept, 4.1272 (7, 8)
Facts (Tatsache). (See also States of affairs and Atomic facts)
- and pictures, 2.1, 2. 11
- compose the world, i.i, 1.2
- existence of, 2
- mutual independence of, 1.21
- negative, 2.06 (2)
- required for expression of sense, 3.142
- the world divides into, 1.2
- totality of, 1.11
Fate, and the ancients, 6.372 (1)
Feature, explained, 4.1221
Features of symbols, express formal properties, 4.125 (6)
Form. (See also Possibility)
- and possibility of structure, 2.033
- and substance, 2.025
- cannot be said to have properties, 4. 1 241
- general, of propositions, 4.5, 4.47
- general prepositional,
- and truth operations, 5.54
- is a variable, 4.53
- logical, 2.18. (See also Prototype)
- and variable, 3.315
- cannot be represented in proposition, 4.12, 4.121 (1)
- how determined by a sign, 3.327
- of propositions, 4.0031
- of a spot, 4.063
- of expressions, 3.31 (4)
- shown by substitutability, 6.23 (2)
- of functions, 3.333 (2)
- of objects, 2.0141, 2.0233, 2.0251
- of propositions, 3.311
- of reality, 2.18
- of representation
- defined, 2.151
- function of, in pictures, 2.22
- is shown forth, 2.172
- of the world consists of objects 2.022-3
- of values of a variable, 4.1271 (2)
Formal, equated with logical 6.12 (1)
Formal concept
- already given with object to which it applies, 4.12721
- as primitive idea, 4.12721
- characteristics of, 4.126 (5, 7)
- defined, 4.126 (1)
- examples of, 4.1272 (7, 8)
- expressed by variables, 4.126 (8), 4.127
- opposed to "proper" concept, 4.126 (2)
- questions about existence of,
- senseless, 4.127
Formal law, as determining formal series, 5.501 (6)
Formal properties
- connexion with structure, 5.321
- explained, 4.122 (1)
- expressed by features of symbols, 4.126 (6)
Formal series
- defined, 4.1252 (1)
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