William of Heytesbury
William of Heytesbury, or William Heytesbury, or William de Heytisbury, called in Latin Guglielmus Hentisberus or Tisberus, was an English philosopher and logician, best known as one of the Oxford Calculators of Merton College, Oxford, where he was a fellow.
Life
Heytesbury had become a fellow of Merton by 1330. In his work he applied logical techniques to the problems of divisibility, the continuum, and kinematics. His magnum opus was the Regulae solvendi sophismata, written about 1335.He was Chancellor of the University of Oxford for the year 1371 to 1372.
Works
- 1335 - Regulae solvendi sophismata
- * 1. On insoluble sentences
- * 2. On knowing and doubting
- * 3. On relative terms
- * 4. On beginning and ceasing
- * 5. On maxima and minima
- * 6. On the three categories ''
- 1483 - De probationibus conclusionum tractatus regularum solvendi sophismata - PaviaLiber Calculationum''