The inner truth of mathematics is purely intellectual truth.

数学的内部真实性是纯智力的真理。

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Thus, chess is a purely intellectual game, a perfect environment for testing Artificial Intelligence techniques.

因此，国际象棋是一种纯粹的智力游戏，也是测试人工智能技术的完美环境。

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These conditions are not, however, intended to be used for purely intellectual work, such as design or computer programming.

然而，这些条件被无意将用于纯知识产权工作，例如设计或计算机编程。

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Yet Brubeck's music was never really about its intellectual content, or driven by purely musical concerns even when the bandleader enjoyed amazing commercial success with a fruitful string of albums devoted to exploring the concept of wacko time signatures.

WSJ: The Jazz Scene: It's Cool in Brubeck's Shadow