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Not to be confused with Principal. For other uses, see Principle (disambiguation).

A principle is a law or rule that has to be, or usually is to be followed, or can be desirably followed, or is an inevitable consequence of something, such as the laws observed in nature or the way that a system is constructed. The principles of such a system are understood by its users as the essential characteristics of the system, or reflecting system's designed purpose, and the effective operation or use of which would be impossible if any one of the principles was to be ignored.[1]

Examples of principles:

  • Descriptive comprehensive and fundamental law, doctrine, or assumption
  • Normative rule or code of conduct
  • Law or fact of nature underlying the working of an artificial device

Principle as cause[edit]

The principle of any effect is the cause that produces it.

Depending on the way the cause is understood, the basic law governing that cause may acquire some distinction in its expression.

Principle of causality, as efficient cause[edit]

The efficient cause is the one that produces the necessary effect, as long as the necessary and sufficient conditions are provided.

The scientific process generally consists of establishing a cause by analyzing its effect upon objects. In this way, a description can be established to explain what principle brought about the change-effect. For this reason the principle of cause is considered to be a determining factor in the production of facts.

The principle of causality states that "every event has a cause"; for instance, everything that begins to exist must have a cause. It was formulated by Aristotle's theory which states that: "Everything that moves is moved by another". This principle, in conjunction with the principle that an infinite regress is not possible, has been used to argue for God's existence. The principle of causality is often associated with the similar, though distinct, principle of sufficient reason, according to which, there is a reason why everything is the particular way it is rather than some other way.

Principle as a final cause[edit]

Final cause is the end, or goal, which guides one to take the necessary actions to obtain it.

For that there needs to be an intelligence capable of conceiving the end and realizing that certain actions must be taken to achieve the goal.

Science does not recognize the finality of the natural causes as a guiding principle of investigation.

It is also understood therefore that the principle guides the action as a norm or rule of behaviour, which produces two types of principle.

Principle as law[edit]

Principle as scientific law[edit]

Laws Physics. Laws Statistics. Laws Biological. Laws of nature are those that cannot be (or are not) proven explicitly, however we can measure and quantify them by observing the results that they produce.[vague][clarification needed]

Principle as moral law[edit]

It represents a set of values that orient and rule the conduct of a concrete society. The law establishes an obligation in the individual's conscience that belongs to the cultural field in which such values are accepted. It supposes the liberty of the individual as cause, that acts without external coercion, through a process of socialization.

Principle as a juridic law[edit]

Main article: Principle of legality

It represents a set of values that inspire the written norms that organize the life of a society submitting to the powers of an authority, generally the State. The law establishes a legal obligation, in a coercive way; it therefore acts as principle conditioning of the action that limits the liberty of the individuals. See, for examples, the territorial principle, homestead principle, and precautionary principle.

Principle as axiom or logical fundament[edit]

Principle of sufficient reason[edit]

The principle states that every event has a rational explanation. The principle has a variety of expressions, all of which are perhaps best summarized by the following:

For every entity x, if x exists, then there is a sufficient explanation for why x exists.
For every event e, if e occurs, then there is a sufficient explanation for why e occurs.
For every proposition p, if p is true, then there is a sufficient explanation for why p is true.

However, one realizes that in every sentence there is a direct relation between the predicate and the subject. To say that "the Earth is round", corresponds to a direct relation between the subject and the predicate. Taking this to the sentence "the being is the being", we realize the principle of identity that the being possesses.[citation needed]

Principle of non-contradiction[edit]

"One thing can't not be and be at the same time, under the same aspect." Example: It is not possible that in exactly the same moment and place, it rains and doesn't rain.

Principle of excluded middle[edit]

The principle of the excluding third or "principium tertium exclusum" is a principle of the traditional logic formulated canonically by Leibniz as: either A is B or A isn't B. It is read the following way: either P is true, or its denial ¬P is. It is also known as "tertium non datur" ('A third (thing) is not). Classically it is considered to be one of the most important fundamental principles or laws of thought (along with the principles of identity, no contradiction and sufficient reason).

See also[edit]

References[edit]

  1. ^ Alpa, Guido (1994) "General Principles of Law," Annual Survey of International & Comparative Law: Vol. 1: Is. 1, Article 2.[1],

External links[edit]

  • The dictionary definition of principle at Wiktionary

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Principle — Please support Wikipedia.
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