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اصل در لغت به معنای ریشه و بن است دربرابر فرع که شاخه وبر است [۱]


قانون یا قاعده‌ای حقوقی است که باید از آن پیروی شود، یا معمولاً باید از آن پیروی شود، یا می‌توان به دلخواه از آن پیروی نمود، یا نتیجه گریزناپذیر چیزی‌ست، نظیر قوانین مشاهده شده در طبیعت یا شیوه‌ای که سیستمی ساخته می‌شود. اصول چنان سیستمی را کاربران آن مشخصات ذاتی سیستم، یا بازتاب دهندهٔ هدف طراحی شدهٔ سیستم می‌دانند، و عملکرد مؤثر یا استفاده از آن در صورت بی‌توجهی به هر یک از اصول غیرممکن خواهد بود.[۲]

مثال‌هایی از اصول:

  • یک قانون، آموزه یا فرضیهٔ توصیفی کامل و بنیادین،
  • یک قاعده یا ضابطهٔ رفتاری اصولی،
  • یک قانون یا واقعیت طبیعت که اساس کار یک ابزار مصنوعی باشد.

انواع اصول در علوم گوناگون[ویرایش]




حقوق بین‌الملل[ویرایش]

[۳] و [۴] و[۵].






  • اصل انسان‌نگر
  • اصل عدم ( یادآوری : این اصل در نظر بسیاری از فلاسفه پذیرفته نیست ؛ چرا که چیزی از نیستی ، هست نمی شود . )






جستارهای وابسته[ویرایش]


  1. فرهنگ معین
  2. Alpa, Guido (1994) "General Principles of Law," Annual Survey of International & Comparative Law: Vol. 1: Is. 1, Article 2.[۱] بایگانی‌شده در ۱۹ ژوئیه ۲۰۱۱ توسط Archive.today,
  3. اصول ١ تا ٧ در منشور ملل متحد (دیباجه، مادۀ ١ و ٢ منشور، به ویژه مادۀ ٢)
  4. اعلامیۀ مجمع عمومی ملل متحد درسال ١٩٧٠
  5. سه اصل ٨، ٩ و ١٠ در سند نهای همایش هلسینکی دربارۀ امنیت و همکاری در اروپا سال ١٩٧٥ تثبیت یافته اند

پیوند به بیرون[ویرایش]

The concept of blind justice is a moral principle.[1]

A principle is a proposition or value that is a guide for behavior or evaluation. In law, it is a 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.[2] A system may be explicitly based on and implemented from a document of principles as was done in IBM's 360/370 Principles of Operation.

Examples of principles are, entropy in a number of fields, least action in physics, those in descriptive comprehensive and fundamental law: doctrines or assumptions forming normative rules of conduct, separation of church and state in statecraft, the central dogma of molecular biology, fairness in ethics, etc.

In common English, it is a substantive and collective term referring to rule governance, the absence of which, being "unprincipled", is considered a character defect. It may also be used to declare that a reality has diverged from some ideal or norm as when something is said to be true only "in principle" but not in fact.

As law

As moral law

Socrates preferred to face execution rather than betray his moral principles.[3]

A principle represents values that orient and rule the conduct of persons in a particular society. To "act on principle" is to act in accordance with one's moral ideals.[4] Principles are absorbed in childhood through a process of socialization. There is a presumption of liberty of individuals that is restrained. Exemplary principles include First, do no harm, the golden rule and the doctrine of the mean.

As a juridic law

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.

As scientific law

Archimedes principle, relating buoyancy to the weight of displaced water, is an early example of a law in science. Another early one developed by Malthus is the population principle, now called the Malthusian principle.[5] Freud also wrote on principles, especially the reality principle necessary to keep the id and pleasure principle in check. Biologists use the principle of priority and principle of Binominal nomenclature for precision in naming species. There are many principles observed in physics, notably in cosmology which observes the mediocrity principle, the anthropic principle, the principle of relativity and the cosmological principle. Other well-known principles include the uncertainty principle in quantum mechanics and the pigeonhole principle and superposition principle in mathematics.

As axiom or logical fundament

Principle of sufficient reason

The principle states that every event has a rational explanation.[6] 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.

Principle of non-contradiction

Portrait bust of Aristotle; an Imperial Roman copy of a lost bronze sculpture made by Lysippos

According to Aristotle, “It is impossible for the same thing to belong and not to belong at the same time to the same thing and in the same respect.”[7] For example, it is not possible that in exactly the same moment and place, it rains and doesn't rain.[8]

Principle of excluded middle

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.[9] 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


  1. ^ Jacoby, Jeff. "Lady Justice's blindfold." Boston.com. 10 May 2009. 25 October 2017.
  2. ^ Alpa, Guido (1994) General Principles of Law, Annual Survey of International & Comparative Law, Vol. 1: Is. 1, Article 2. from Golden Gate University School of Law
  3. ^ "The Ethics of Socrates." Archived 2018-05-01 at the Wayback Machine Philosophy. 25 October 2017.
  4. ^ "Full Transcript: Jeff Flake’s Speech on the Senate Floor." New York Times. 24 October 2017. 25 October 2017.
  5. ^ Elwell, Frank W. "T. Robert Mathus's Principle ...." Rogers State University. 2013. 25 October 2017.
  6. ^ "Principle of Sufficient Reason." Archived 2018-06-11 at the Wayback Machine Stanford Encyclopedia of Philosophy. 7 September 2016. 25 October 2017.
  7. ^ "Aristotle on Non-contradiction." Archived 2018-06-11 at the Wayback Machine Stanford Encyclopedia of Philosophy. 12 June 2015. 25 October 2017.
  8. ^ "Great Philosophers." Oregon State University. 2002. 25 October 2017.
  9. ^ Whitehead, Alfred North (2005). Principia mathematica, by Alfred North Whitehead ... and Bertrand Russell.

External links