Fraenkel Set Theory

Famous quotes containing the words set and/or theory:

“The host, the housekeeper, it is
who fails you. He had forgotten
to make room for you at the hearth
or set a place for you at the table
or leave the doors unlocked for you.”
—Denise Levertov (b. 1923)

“The weakness of the man who, when his theory works out into a flagrant contradiction of the facts, concludes “So much the worse for the facts: let them be altered,” instead of “So much the worse for my theory.””
—George Bernard Shaw (1856–1950)