OBVERSION


Meaning of OBVERSION in English

/ob verr"zheuhn, -sheuhn/ , n.

1. an act or instance of obverting.

2. something that is obverted.

3. Logic. a form of inference in which a negative proposition is obtained from an affirmative, or vice versa, as "None of us is immortal" is obtained by obversion from "All of us are mortal."

[ 1840-50; obversion- (s. of obversio ) a turning toward, equiv. to obvers ( us ) (see OBVERSE) + -ion- -ION ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .