William of Sherwood (or Shyreswood, Shireswood) (1190–1249) was a medieval English Scholastic philosopher, logician and teacher.
Little is known of his life, but he is thought to have studied in Paris, as a master at Oxford in 1252, treasurer of Lincoln from 1254/8 onwards, and a rector of Aylesbury.
He was the author of two books which were an important influence on the development of Scholastic logic: Introductiones in Logicam (Introduction to Logic), and Syncategoremata. These are the first known works to deal in a systematic way with what is now called supposition theory, known in William's time as the logica moderna.
Read more about William Of Sherwood: Life, The Introduction To Logic, Legacy, Latin Works, English Translations, Bibliography
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