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:
“Lear. Thou hast seen a farmer’s dog bark at a beggar?
Gloucester. Ay, sir.
Lear. And the creature run from the cur? There thou mightst behold the great image of authority: a dog’s obeyed in office.”
—William Shakespeare (1564–1616)
“The quality of moral behaviour varies in inverse ratio to the number of human beings involved.”
—Aldous Huxley (1894–1963)