Arbor porphyriana
From Wikipedia, the free encyclopedia
An Arbor Porphyriana, or Porphyrian tree, created by Porphyry, is a construction in logic consisting of three rows or columns of words; the middlemost whereof contains the series of genus and species, and bears some analogy to the trunk. The extremes, containing the differences, are analogous to the branches of a tree. An example is
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SUBSTANCE Thinking Extended BODY Inanimate Animate ANIMAL Irrational Rational MAN This That PLATO.
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The arbor porphyriana has also been known as scala praedicamentalis.
[edit] References
- This article incorporates content from the 1728 Cyclopaedia, a publication in the public domain. [1]
