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  2. Principle - Wikipedia

    en.wikipedia.org/wiki/Principle

    The concept of blind justice is a moral principle. [1]A principle may relate to a fundamental truth or proposition that serves as the foundation for a system of beliefs or behavior or a chain of reasoning. [2]

  3. Concept - Wikipedia

    en.wikipedia.org/wiki/Concept

    A concept is an abstract idea that serves as a foundation for more concrete principles, ...

  4. First principle - Wikipedia

    en.wikipedia.org/wiki/First_principle

    In philosophy and science, a first principle is a basic proposition or assumption that cannot be deduced from any other proposition or assumption. First principles in philosophy are from first cause [ 1 ] attitudes and taught by Aristotelians , and nuanced versions of first principles are referred to as postulates by Kantians .

  5. Proof of concept - Wikipedia

    en.wikipedia.org/wiki/Proof_of_concept

    Proof of concept testing of oil cleanup equipment. Proof of concept (POC or PoC), also known as proof of principle, is a realization of a certain idea, method or principle in order to demonstrate its feasibility, [1] or viability, [2] or a demonstration in principle with the aim of verifying that some concept or theory has practical potential.

  6. Anthropic principle - Wikipedia

    en.wikipedia.org/wiki/Anthropic_principle

    The anthropic principle, also known as the observation selection effect, is the proposition that the range of possible observations that could be made about the universe is limited by the fact that observations are possible only in the type of universe that is capable of developing intelligent life. Proponents of the anthropic principle argue ...

  7. Principles of Philosophy - Wikipedia

    en.wikipedia.org/wiki/Principles_of_Philosophy

    Principles of Philosophy (Latin: Principia Philosophiae) is a book by René Descartes. In essence, it is a synthesis of the Discourse on Method and Meditations on First Philosophy . [ 1 ] It was written in Latin , published in 1644 and dedicated to Elisabeth of Bohemia , with whom Descartes had a long-standing friendship.

  8. Scientific theory - Wikipedia

    en.wikipedia.org/wiki/Scientific_theory

    A scientific theory is an explanation of an aspect of the natural world that can be or that has been repeatedly tested and has corroborating evidence in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results.

  9. Concept learning - Wikipedia

    en.wikipedia.org/wiki/Concept_learning

    Concept learning, also known as category learning, concept attainment, and concept formation, is defined by Bruner, Goodnow, & Austin (1956) as "the search for and testing of attributes that can be used to distinguish exemplars from non exemplars of various categories".