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  2. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards , matching games , practice electronic assessments , and live quizzes.

  3. Argument - Wikipedia

    en.wikipedia.org/wiki/Argument

    The conclusion of a valid argument is not necessarily true, it depends on whether the premises are true. If the conclusion, itself, is a necessary truth, it is without regard to the premises. Some examples: All Greeks are human and all humans are mortal; therefore, all Greeks are mortal.

  4. Syllogism - Wikipedia

    en.wikipedia.org/wiki/Syllogism

    Conclusion/Consequent: All Greeks are mortal. Each of the three distinct terms represents a category. From the example above, humans, mortal, and Greeks: mortal is the major term, and Greeks the minor term. The premises also have one term in common with each other, which is known as the middle term; in this example, humans. Both of the premises ...

  5. Logical consequence - Wikipedia

    en.wikipedia.org/wiki/Logical_consequence

    A valid logical argument is one in which the conclusion is entailed by the premises, because the conclusion is the consequence of the premises. The philosophical analysis of logical consequence involves the questions: In what sense does a conclusion follow from its premises? and What does it mean for a conclusion to be a consequence of premises ...

  6. Seven Countries Study - Wikipedia

    en.wikipedia.org/wiki/Seven_Countries_Study

    The Seven Countries Study is an epidemiological longitudinal study directed by Ancel Keys at what is today the University of Minnesota Laboratory of Physiological Hygiene & Exercise Science (LPHES). Begun in 1956 with a yearly grant of US$200,000 from the U.S. Public Health Service , the study was first published in 1978 and then followed up on ...

  7. Outline of thought - Wikipedia

    en.wikipedia.org/wiki/Outline_of_thought

    Thought (or thinking) can be described as all of the following: An activity taking place in a: brain – organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals (only a few invertebrates such as sponges, jellyfish, adult sea squirts and starfish do not have a brain).

  8. Epistemology - Wikipedia

    en.wikipedia.org/wiki/Epistemology

    Epistemology is the philosophical study of knowledge.Also called theory of knowledge, [a] it examines what knowledge is and what types of knowledge there are. It further investigates the sources of knowledge, like perception, inference, and testimony, to determine how knowledge is created.

  9. Essay - Wikipedia

    en.wikipedia.org/wiki/Essay

    In English essay first meant "a trial" or "an attempt", and this is still an alternative meaning. The Frenchman Michel de Montaigne (1533–1592) was the first author to describe his work as essays; he used the term to characterize these as "attempts" to put his thoughts into writing. Subsequently, essay has been defined in a variety of ways.