principle+of+action
41Precautionary principle — The precautionary principle is a moral and political principle which states that if an action or policy might cause severe or irreversible harm to the public or to the environment, in the absence of a scientific consensus that harm would not… …
42Variational principle — A variational principle is a principle in physics which is expressed in terms of the calculus of variations. According to Cornelius Lanczos, any physical law which can be expressed as a variational principle describes an expression which is self… …
43Novikov self-consistency principle — The Novikov self consistency principle, also known as the Novikov self consistency conjecture, is a principle developed by Russian physicist Igor Dmitriyevich Novikov in the mid 1980s to solve the problem of paradoxes in time travel, which is… …
44precautionary principle — n. The principle that action should be taken to correct a problem as soon as there is evidence that harm may occur, not after the harm has already occurred. Example Citation: When Germany, for example, discovered in the 70 s that its beloved… …
45Handicap principle — The tail of peacocks, the classic example of a handicapped signal of male quality The handicap principle is a hypothesis originally proposed in 1975 by biologist Amotz Zahavi[1][2 …
46Lesser of two evils principle — The lesser of two evils principle, also known simply as the lesser evil, is the idea that of two bad choices, one isn t as bad as the other, and should be chosen over the one that is a greater threat. Some people consider the lesser of two evils… …
47Bitter principle — Principle Prin ci*ple, n. [F. principe, L. principium beginning, foundation, fr. princeps, cipis. See {Prince}.] 1. Beginning; commencement. [Obs.] [1913 Webster] Doubting sad end of principle unsound. Spenser. [1913 Webster] 2. A source, or… …
48guiding principle — principle which directs a course of action …
49Maupertuis' principle — In classical mechanics, Maupertuis principle (named after Pierre Louis Maupertuis) is an integral equation that determines the path followed by a physical system without specifying the time parameterization of that path. It is a special case of… …
50Hamilton's principle — In physics, Hamilton s principle is William Rowan Hamilton s formulation of the principle of stationary action (see that article for historical formulations). It states that the dynamics of a physical system is determined by a variational problem …
