Leśniewski's ontology and some medieval logicians.

Some Remarks on the Medieval Semantics

The term semantics is rather associated with the contemporary analytical philosophy, mainly with the ideas developed by Gottlob Frege and Alonzo Church. It is not associated with the Middle Ages, especially that this term comes from XIX-century. However, there is a long and rich tradition of contemporary investigation concerning this aspect of the medieval philosophy, which is accompanied with ...

Logicians Who Reason About Themselves

By treating belief as a modality and combining this with problems about constant truth tel lers and constant l iars (knights and knaves) we obtain some curious epistemic counterparts of undecidability results in metamathematics. Godel's second theorem gets reflected in a logician who cannot believe in his own consistency without becoming inconsistent. Lob's theorem reflects i t se l f in a vari...

Three Logicians: Aristotle, Saccheri, Frege

Walåyah and Islamic ontology

The present paper aims at clarifying the role of the concept “walåyah” in the philosophy of the unity of being in Islamic philosophy (waedat al-wujid). The concept “walåyah” is deeply built into the philosophic system of the Islamic theory of being, and moreover the dynamic aspect of this concept has always activated Islamic philosophy of existence and stimulated the thought of Islamic philosop...

3 Medieval and Modern Bubonic Plague: Some Clinical Continuities

In his book The Black Death transformed, Samuel K Cohn claims that the epidemic disease described in western European historical sources from AD 1347 to the midseventeenth century under the names plague, pestis, pestilence, plagen and the like must have been a disease other than the modern plague that reached Hong Kong in May 1894 from other parts of China, and later spread first to India and t...