Sentence and Truth Value

Philosophy and Culture 33 (6):67-77 (2006)
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Abstract

Vladimir cells following proposition, the task of logic is really the first in the study of law. However, in the end What is called reality? Vladimir cells following treatment that is objective truth, is not affected by time and independent of the human mind Spirit, as a standard language sentences can be used as the bearer of true value, in other words, language sentence can be true or false. However, the language sentences why you can be true or false? Wittgenstein made ​​the image theory the future to answer this question, he believes the proposition and the facts have the same logical form of proposition is the fact that the image, so the proposition can be true or false. Proposition is true must be controlled in fact, consistent with the facts were true, and those facts do not match, false. The so-called proposition that the content of language sentence, the proposition must be true or false, the content is objective and not affected by time and independent of the human mind Spirit, which is the so-called Dover the following format ideas. Wittgenstein also believe that the true value proposition must have, otherwise meaningless to speak of. Therefore, the proposition is established based heterogeneous and homogeneous is the logical form. At first glance, our problem seems to be a significant theoretical problem, However after further investigation, we find that more is on the logical nature of the problem, Vladimir bar grid and Wittgenstein by Bong out of the logic of Marxism is its sense of theoretical the ultimate foundation. In this sense, our problems have a profound metaphysics to its degree. Frege believed the pursuit of logic is the laws of truth. But what does it all mean to be true? Frege thought truths should be objective, timeless, and independent of human's mind. In this sense, sentence can be the bearer of truth value, in other words, sentences can be true or false. But how can a sentence to be true ? Wittgenstein thought a proposition was a picture of a fact because they had something in common-logical form so called. Whether a proposition is true or false we must compare it with reality. A proposition is the content of a sentence and in fact it is what Frege called thought. A proposition has sense only if it can be true or false. According, a sentence being true or false is guaranteed by the status of logic. At first sight the question of this essay is a question of theory of meaning, as we carefully survey, it turns to a question concerning the nature of logic. The logicism Frege and Wittgenstein insisted is the ultimate basis for their theory of meaning. In this sense we say there has some metaphysical version of the question

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