3Rs Wikipedia: It appeared in print as a space-filler in “The Lady’s Magazine” for 1818, although it is widely quoted as arising from a phrase coined in a speech given by Sir William Curtis, Member of Parliament, in about 1795. Since its original creation, many others have used the term to describe other trifecta.
(…) It is widely held that when all layers of refinement and complexity are stripped away, the heart of education is the transmission of the essential skills of the 3Rs (…) The expression refers to only two ideas: language and number (…) it is rather an alarming thought that most of the those who make the most far-reaching decisions on matters affecting the material culture (…) had an education in which contact with the most relevant disciplines ceased at the age of thirteen (!)
Archer, B., 1979. Design as a discipline. In Design Studies, Vol. 1, no. 1, July 1979
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