体育理论中一个最重要的问题,是给基本概念下准确的定义。阿里斯托帖利早就认为,给任何一个概念下定义时,都必须揭示现象或事物的本质,把一种事物(属)与其它事物区分开,并指示事物的种差,只反映本质特征。还必须是只有一个意思,不允许同音异义。卡·马克思指出,如果一个单词有几个不同的意思,那么就会使不正直的反对者“有了可乘之机”,同时强调指出,正确的定义是“根据事物本身的发展而得出来的”。给概念下定义的问题正引起各流派学者们注意。仅近几年来,围绕这个题目已经发表了国内外作者的几十篇著作。在这个领域工作的苏联专家们总结了现有的材料,并制 One of the most important issues in sports theory is the accurate definition of basic concepts. Aristotle had long argued that in defining any one concept, one must reveal the nature of the phenomenon or thing, distinguishing one from the other, indicating the disparity of things, and only reflecting the essential features . There must be only one meaning, not homonyms. Karl Marx pointed out that if a word has several different meanings, it would make unfair opponents “an opportunity to take advantage of,” while emphasizing that the correct definition is “derived from the development of the thing itself of”. The problem of defining the concept is arousing the attention of all schools. In recent years alone, dozens of books by domestic and foreign authors have been published around this topic. Soviet experts working in this area summed up the existing materials and made them