Whether regarded as a science, an art, or a skill---and it can properly be regarded as all three---logic is the basis of our ability to think, analyze, argue, and communicate.

无论视之为一门科学，一种艺术，或者一项技艺---其实说逻辑是所有这三者也是恰当的---逻辑是我们思维，分析，论证和交流能力的基础。