| Gottlob Frege [ Germany ] (1848-1925) is one of the most influential logicians, mathematicians and philosophers, of the 20th century. He not only first used the formal language to establish initially the system of the propositional calculus and the system of predicate calculus, but also used these achievements to analyze the natural language, especially to analyze the natural language's truth value. In this article, through the elaboration of the truth value theory from the angle of analyzing the natural language, Frege's truth is manifested, as well as his analytics.The elaboration is mainly carried on from the following several aspects:Part one: at first the definition of the truth value from two angles: What's the reference of a sentence is the truth value and the truth value should be grasped from the angle of distinguished a sentence's meaning and its reference . Then the sentence truth value's bearer and expression, are elaboratedPart two: the sentence 's constituent has been analyzed from the angle of a sentence: Proper nouns, concept words and subordinate clauses. Then the sentence truth value related theory is elaborated.Parts three: through analyzing the objectiveness and the abstract of a thought, what is obtained is that the thought belongs to the third world, then the ontology foundation of the truth value is explained.Part four: the significance of Gottlob Frege's theory on a sentence truth value is pointed out, as well as its deficiency.
|
PDF Full Text Request