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- Porphyrian_tree abstract "The Porphyrian tree, Tree of Porphyry or Arbor Porphyriana is a classic device for illustrating what is also called a "scale of being". It was suggested—if not first, then most famously in the European philosophical tradition—by the 3rd century C.E. Greek neoplatonist philosopher and logician Porphyry. It is also known as scala praedicamentalis.Porphyry suggests the Porphyrian tree in his introduction (in Greek, "Isagoge") to Aristotle's Categories. Porphyry presented Aristotle's classification of categories in a way that was later adopted into tree-like diagrams of dichotomous divisions, which indicate that a species is defined by a genus and a differentia and that this logical process continues until the lowest species is reached, which can no longer be so defined. No illustrations or diagrams occur in editions of Porphyry's original work. But, diagrams were eventually made, and became associated with the scheme that Porphyry describes, following Aristotle.Porphyry's Isagoge was originally written in Greek, but was translated into Latin in the early 6th century C.E. by Boethius. Boethius's translation became the standard philosophical logic textbook in the Middle Ages. Until the late 19th century, it was still being taught to students of logic.The following very helpful passage by philosopher James Franklin gives some hint as to the history of the Porphyrian tree:In medieval education, the standard introduction to Aristotle's works was via Porphyry's Isagoge, and division entered the educated consciousness in the form of 'Porphyry's Tree'. It is not clear that Porphyry himself, in the relevant passage, went any further than Aristotle in recommending division. But his brief comment was developed into the Tree by medieval logicians. It appears in William of Sherwood's Introduction to Logic and is given the name arbor Porphyrii in the most popular medieval logic, Peter of Spain's Summulae Logicales. Linnaeus's system of static and discrete species was simply the result of filling in the abstract Tree with the names of actual species.Thus, the notion of the Porphyrian tree as an actual diagram comes later than Porphyry himself. Still, scholars do speak of Porphyry's tree as in the Isagoge and they mean by this only that the idea of dividing genera into species via differentiae is found in the Isagoge. But, of course, Porphyry was only following what was already in Aristotle, and Aristotle was following what was already in his teacher, Plato.".
- Porphyrian_tree thumbnail Porphyrian_Trees_Gallery_small.png?width=300.
- Porphyrian_tree wikiPageExternalLink infima_species.
- Porphyrian_tree wikiPageExternalLink summum_genus.
- Porphyrian_tree wikiPageExternalLink porphyry_isagogue_01_intro.htm.
- Porphyrian_tree wikiPageID "3792982".
- Porphyrian_tree wikiPageRevisionID "592097558".
- Porphyrian_tree hasPhotoCollection Porphyrian_tree.
- Porphyrian_tree page "128".
- Porphyrian_tree title "Arbor Porphyriana".
- Porphyrian_tree url "http://digicoll.library.wisc.edu/cgi-bin/HistSciTech/HistSciTech-idx?type=turn&id=HistSciTech.Cyclopaedia01&entity=HistSciTech.Cyclopaedia01.p0168".
- Porphyrian_tree subject Category:Aristotle.
- Porphyrian_tree subject Category:Concepts_in_logic.
- Porphyrian_tree subject Category:Conceptual_models.
- Porphyrian_tree subject Category:Neoplatonism.
- Porphyrian_tree subject Category:Ontology.
- Porphyrian_tree subject Category:Term_logic.
- Porphyrian_tree comment "The Porphyrian tree, Tree of Porphyry or Arbor Porphyriana is a classic device for illustrating what is also called a "scale of being". It was suggested—if not first, then most famously in the European philosophical tradition—by the 3rd century C.E. Greek neoplatonist philosopher and logician Porphyry. It is also known as scala praedicamentalis.Porphyry suggests the Porphyrian tree in his introduction (in Greek, "Isagoge") to Aristotle's Categories.".
- Porphyrian_tree label "Albero di Porfirio".
- Porphyrian_tree label "Arbre de Porphyre".
- Porphyrian_tree label "Baum des Wissens".
- Porphyrian_tree label "Porphyrian tree".
- Porphyrian_tree label "Árbol de Porfirio".
- Porphyrian_tree label "波菲利之树".
- Porphyrian_tree sameAs Porfyriův_strom.
- Porphyrian_tree sameAs Baum_des_Wissens.
- Porphyrian_tree sameAs Árbol_de_Porfirio.
- Porphyrian_tree sameAs Arbre_de_Porphyre.
- Porphyrian_tree sameAs Albero_di_Porfirio.
- Porphyrian_tree sameAs m.0b0877.
- Porphyrian_tree sameAs Q811494.
- Porphyrian_tree sameAs Q811494.
- Porphyrian_tree wasDerivedFrom Porphyrian_tree?oldid=592097558.
- Porphyrian_tree depiction Porphyrian_Trees_Gallery_small.png.
- Porphyrian_tree isPrimaryTopicOf Porphyrian_tree.
