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  2. Malthusian growth model - Wikipedia

    en.wikipedia.org/wiki/Malthusian_growth_model

    The model is named after Thomas Robert Malthus, who wrote An Essay on the Principle of Population (1798), one of the earliest and most influential books on population. [1] Malthusian models have the following form: = where P 0 = P(0) is the initial population size,

  3. Malthusianism - Wikipedia

    en.wikipedia.org/wiki/Malthusianism

    Thomas Robert Malthus, after whom Malthusianism is named. Malthusianism is a theory that population growth is potentially exponential, according to the Malthusian growth model, while the growth of the food supply or other resources is linear, which eventually reduces living standards to the point of triggering a population decline.

  4. Venn diagram - Wikipedia

    en.wikipedia.org/wiki/Venn_diagram

    A Venn diagram is a widely used diagram style that shows the logical relation between sets, popularized by John Venn (1834–1923) in the 1880s. The diagrams are used to teach elementary set theory, and to illustrate simple set relationships in probability, logic, statistics, linguistics and computer science.

  5. Set theory - Wikipedia

    en.wikipedia.org/wiki/Set_theory

    In this case, if the choice of U is clear from the context, the notation A c is sometimes used instead of U \ A, particularly if U is a universal set as in the study of Venn diagrams. Symmetric difference of sets A and B , denoted A B or A ⊖ B , is the set of all objects that are a member of exactly one of A and B (elements which are in one ...

  6. Thomas Robert Malthus - Wikipedia

    en.wikipedia.org/wiki/Thomas_Robert_Malthus

    Thomas Robert Malthus FRS (/ ˈ m æ l θ ə s /; 13/14 February 1766 – 29 December 1834) [1] was an English economist, cleric, and scholar influential in the fields of political economy and demography.

  7. John Venn - Wikipedia

    en.wikipedia.org/wiki/John_Venn

    In commemoration of the 180th anniversary of Venn's birth, on 4 August 2014, Google replaced its normal logo on global search pages with an interactive and animated Google Doodle that incorporated the use of a Venn diagram. [24] [25] Venn Street in Clapham, London, which was the home of his grandfather, shows a Venn diagram on the street sign. [26]

  8. Ayn Rand, Thomas Malthus, and the High Cost of Terrible Ideas

    www.aol.com/news/2010-02-06-ayn-rand-thomas...

    Pity the philosopher. Underpaid and underappreciated, professional thinkers are doomed to a terrible dilemma: in the best case, their ideas are likely to be ignored. In the worst case, they will ...

  9. Malthusian equilibrium - Wikipedia

    en.wikipedia.org/wiki/Malthusian_equilibrium

    Thomas Malthus — See this article for further exposition. ... Pingle, Mark (Winter 2003), "Introducing Dynamic Analysis Using Malthus's Principle of Population", ...