[New Entry by Ahmed Alwishah and David Sanson on May 21, 2026.]
Although the Liar Paradox was known in antiquity, the surviving textual record from that period is sparse. By contrast, medieval treatments of the Liar develop along two relatively well-preserved and parallel lines: one in the Islamic world, primarily in Arabic, and the other in the Christian world, primarily in Latin. The Latin tradition has been the subject of sustained historical scholarship for several decades (Spade a Read 2009 [2021]). Scholarly work on the Arabic tradition is a more recent development....