Abstraction Hierarchy Representation

Famous quotes containing the words abstraction and/or hierarchy:

    “By “object” is meant some element in the complex whole that is defined in abstraction from the whole of which it is a distinction.”
    —John Dewey (1859–1952)

    “In a hierarchy every employee tends to rise to his level of incompetence.”
    —Laurence J. Peter (1919–1990)