17 June 2014

Vocab 6/17/14

Q. E. D. -- an initialism of the Latin phrase quod erat demonstrandum, originating from the Greek analogous hóper édei deîxai (ὅπερ ἔδει δεῖξαι), meaning "which had to be demonstrated," designating the end of a proof or theorem

analog (n) -- something that bears an analogy to something else

Q. E. F. -- quod erat faciendum, originating from the Greek geometers' closing ὅπερ ἔδει ποιῆσαι (hoper edei poiēsai), meaning "which had to be done," designating the end of a construction

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