Proper may refer to:
- Proper (liturgy), the part of a Christian liturgy that is specific to the date within the Liturgical Year
- Proper frame, such system of reference in which object is stationary (non moving), sometimes also called a co-moving frame
- Proper (heraldry), in heraldry, means depicted in natural colors
- Proper or appropriate conduct
- Proper (often capitalized PROPER), a corrected release in response to a previously released online video or movie that contains transcoding or other playback errors.
In mathematics:
- Proper map, in topology, a property of continuous function between topological spaces, if inverse images of compact subsets are compact
- Proper morphism, in algebraic geometry, an analogue of a proper map for algebraic varieties
- Proper transfer function, a transfer function in control theory in which the degree of the numerator does not exceed the degree of the denominator
- Proper equilibrium, in game theory, a refinement of the Nash equilibrium.
- Proper subset
- Proper space
Famous quotes containing the word proper:
“Sometimes in our relationship to another human being the proper balance of friendship is restored when we put a few grains of impropriety onto our own side of the scale.”
—Friedrich Nietzsche (1844–1900)
““The proper stuff of fiction” does not exist; everything is the proper stuff of fiction, every feeling, every thought; every quality of brain and spirit is drawn upon; no perception comes amiss.”
—Virginia Woolf (1882–1941)
“A certain degree of ceremony is a necessary outwork of manners, as well as of religion; it keeps the forward and petulant at a proper distance, and is a very small restraint to the sensible and to the well-bred part of the world.”
—Philip Dormer Stanhope, 4th Earl Chesterfield (1694–1773)