Translations from the Philosophical Writings of Gottlob Frege |
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Page 30
... square root of 1 ' ; or , ' - I falls under the concept : square root of 1. ' If the value of the function x2 = I for an argument , e.g. for 2 , is the False , we can express this as follows : 2 is not a square root of 1 ' or ' 2 does ...
... square root of 1 ' ; or , ' - I falls under the concept : square root of 1. ' If the value of the function x2 = I for an argument , e.g. for 2 , is the False , we can express this as follows : 2 is not a square root of 1 ' or ' 2 does ...
Page 49
... square root of 4 , we have an assertion , not about ( say ) the definite number 2 , nor about -2 , but about a concept , square root of 4 ; viz . that it is not empty . But if I express the same thought thus : " The concept square root ...
... square root of 4 , we have an assertion , not about ( say ) the definite number 2 , nor about -2 , but about a concept , square root of 4 ; viz . that it is not empty . But if I express the same thought thus : " The concept square root ...
Page 50
... square root of 4 is realized , ' we get a sentence that has a sense but is false ; for the assertion that something is realized ( as the word is being taken here ) can be truly made only about a quite special kind of objects , viz ...
... square root of 4 is realized , ' we get a sentence that has a sense but is false ; for the assertion that something is realized ( as the word is being taken here ) can be truly made only about a quite special kind of objects , viz ...
Contents
FUNCTION AND CONCEPT Translated by P T GEACH | 21 |
ON CONCEPT AND OBJECT Translated by P T GEACH | 42 |
ON SENSE AND REFERENCE Translated by MAX BLACK | 56 |
Copyright | |
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according Accordingly affirmed answer argument Arithmetik assertion assertoric Begriffsschrift belong calculating game chess coincide complete connexion consists construction contains content-stroke contradiction copula corresponds Dedekind defined definite article denied designate distinction domain domain-calculus equality sign equation expression extension false figure zeros first-level follows formal arithmetic Frege's group of figures Grundgesetze Grundlagen Heine Herr Schröder identical ideography indicate individual inference infinite integers interrogative sentence judgment language laws likewise logical manifold mathematicians meaningful arithmetic means metic Moon negation negative numerical figures numerical sequence numerical signs occur planetary orbits possible predicate prime number proof proper name properties proposition quadratic residue question recognize regard relation replaced rules rules of chess second-level function sense sense and reference speak square root stands stroke subordinate clause subter subtraction suppose symbol theorems theory thing Thomae Thomae's thought tion true truth value value-range whole words write