Logic.
one of a number of graphic representations of the logical relations among classes by means of relations among circles or other geometric figures.
[ named after L. EULER ]
Logic.
one of a number of graphic representations of the logical relations among classes by means of relations among circles or other geometric figures.
[ named after L. EULER ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012