Euler's diagram


Euler's diagram
one of a number of graphic representations of the logical relations among classes by means of relations among circles or other geometric figures.
[named after L. EULER]

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Universalium. 2010.

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  • euler's diagram — noun see euler diagram * * * Logic. one of a number of graphic representations of the logical relations among classes by means of relations among circles or other geometric figures. [named after L. EULER] * * * Euler s diagram, a graphic… …   Useful english dictionary

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  • Johnston diagram — Johnston diagrams, which look similar to Euler or Venn diagrams, illustrate formal propositional logic in a visual manner. Logically they are equivalent to truth tables; some may find them easier to understand at a glance. By overlaying one… …   Wikipedia

  • Van Kampen diagram — In the mathematical area of geometric group theory, a van Kampen diagram is a planar diagram used to represent the fact that a particular word among the generators of a group given by a group presentation represents the identity element in that… …   Wikipedia


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