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logic

(Encyclopedia)logic, the systematic study of valid inference. A distinction is drawn between logical validity and truth. Validity merely refers to formal properties of the process of inference. Thus, a conclusion w...

Chinese art

(Encyclopedia)Chinese art, works of art produced in the vast geographical region of China. It the oldest art in the world and has its origins in remote antiquity. (For the history of Chinese civilization, see China...

Taiwan

(Encyclopedia)CE5 Taiwan tīˈwänˈ [key], Portuguese Formosa, officially Republic of China, island nation (2015 est. pop. 23,486,000), 13,885 sq mi (35,961 sq km), in the Pacific Ocean, separated from the main...

history

(Encyclopedia)history, in its broadest sense, is the story of humanity's past. It also refers to the recording of that past. The diverse sources of history include books, newspapers, printed documents, personal pap...

mathematics

(Encyclopedia)mathematics, deductive study of numbers, geometry, and various abstract constructs, or structures; the latter often “abstract” the features common to several models derived from the empirical, or ...