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A formal definition consists of three elements: term, class and differentia. Analyse the following definitions, and decide what element the underlined part is in each definition. 1) A university is a high-level educational institution in which students study for degrees and academic research is done. The underlined part is (a)_______________________. 2) Materials science is the branch of science that deals with the structure, properties, and processing of materials, especially with regard to their potential usefulness. The underlined part is (a)_______________________. 3) Astronomy is a branch of scientific study primarily concerned with celestial objects inside and outside of the earth’s atmosphere. The underlined part is (a)_______________________. 4) A library is a building or room containing collections of books, periodicals, and sometimes films and recorded music for use or borrowing by the public or the members of an institution. The underlined part is (a)_______________________.
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