Notation For Image and Inverse Image
The traditional notations used in the previous section can be confusing. An alternative is to give explicit names for the image and preimage as functions between powersets:
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Famous quotes containing the words image and/or inverse:
“The brawling of a sparrow in the eaves,
The brilliant moon and all the milky sky,
And all that famous harmony of leaves,
Had blotted out man’s image and his cry.”
—William Butler Yeats (1865–1939)
“The quality of moral behaviour varies in inverse ratio to the number of human beings involved.”
—Aldous Huxley (1894–1963)