Lexicon of Arguments

 

Flor III 127
Existence/Russell: the term existence can only be applied usefully to propositional functions.
>Propositional function.
Def existence/Russell: There is an argument for a certain propositional function, for which it is true.
cf. >Quine: to be is to be a value of a bound variable.
>Existence/Quine.
((s) Explanation: according to Quine, there are no properties independent of objects. In other words, one must not quantify about properties).
>Second order logic, >Schematic letters, >Bound variable.
According to Russell, there are only atomic facts and absolutely simple individuals (> Logical atomism).
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Russell VI 76
Predicate/propositional function/Russell: some predicates, for example existence, can only be attributed to statement functions (or classes), but not to statements: E.g. "People are numerous, therefore Socrates is numerous". - Therefore, you also know that there are people in Timbuktu, without knowing them: the existence theorem is about a class, not individuals.
>Description level, >Unit set, >Things/Russell, >Particulars, >Individual/Russell.
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Tugendhat I 377
Existence/Russell/Tugendhat: Russell interprets the singular predicative statement as an existential proposition and this as a general statement. - That was already anticipated by Kant and Frege. - Then e.g. "The present King of France is bald", etc. is always wrong -> Generality/Russell.
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Tugendhat II 43
Existence/Russell: one can only talk about existent things - but past and future are also existent.
>Time, >Past, >Future.