Essential and Accidental Properties
In classical Aristotelian terminology, a property (proprium) is one of the predicables. It is a non-essential quality of a species (like an accident), but a quality which is nevertheless characteristically present in members of that species (and in no others). For example, "ability to laugh" may be considered a special characteristic of human beings. However, "laughter" is not an essential quality of the species human, whose Aristotelian definition of "rational animal" does not require laughter. Thus, in the classical framework, properties are characteristic, but non-essential, qualities.
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Famous quotes containing the words essential, accidental and/or properties:
“It is essential that there should be organization of labor. This is an era of organization. Capital organizes and therefore labor must organize.”
—Theodore Roosevelt (1858–1919)
“The war shook down the Tsardom, an unspeakable abomination, and made an end of the new German Empire and the old Apostolic Austrian one. It ... gave votes and seats in Parliament to women.... But if society can be reformed only by the accidental results of horrible catastrophes ... what hope is there for mankind in them? The war was a horror and everybody is the worse for it.”
—George Bernard Shaw (1856–1950)
“The reason why men enter into society, is the preservation of their property; and the end why they choose and authorize a legislative, is, that there may be laws made, and rules set, as guards and fences to the properties of all the members of the society: to limit the power, and moderate the dominion, of every part and member of the society.”
—John Locke (1632–1704)