Passy and his team completed a study on modal logic, originally initiated by Aristotle, framing the theory of the necessary truths in the possible worlds – popular today as hybrid logic.
Solomon Islands | Solomon R. Guggenheim Museum | Solomon | Solomon Burke | Passy | King Solomon | Solomon R. Guggenheim Foundation | Solomon Feferman | Solomon Islands campaign | In Search of King Solomon's Mines | Gizo, Solomon Islands | Solomon River | Key of Solomon | Judgment of Solomon | Vila, Solomon Islands | Solomon's Temple | Solomon R. Guggenheim | Solomon Juneau | Solomon Joachim Halberstam | Solomon ibn Gabirol | Robert C. Solomon | Prabhu Solomon | Auteuil-Neuilly-Passy | Stacey Solomon | Solomon Schechter High School of New York | Solomon Schechter | Solomon River (Alaska) | Solomon Northup | Solomon Nason | Solomon L. Hoge |
Pre-summit speculation about the next NATO Secretary-General focused on five candidates: Bulgaria's former Foreign Minister Solomon Passy, Poland's Foreign Minister Radek Sikorski, Norway's Foreign Minister Jonas Gahr Støre, Canada's Defense Minister Peter MacKay, and Denmark's Prime Minister Anders Fogh Rasmussen.