Israeli mathematician whose work in mathematical logic and the mathematics of semantics has contributed greatly to the fields of logic and metalogic (logical systems that encompass other, lower-level logical systems). Shelah's most important...

Saharon Shelah (Hebrew: שהרן שלח‎, born July 3, 1945 in Jerusalem) is an Israeli mathematician. He is a professor of mathematics at the Hebrew University of Jerusalem and also at Rutgers University in New Jersey, U.S.. Shelah's main interest...