Rational belief; an introduction to logic 2026-02-16T01:43:00+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Frye, Albert Myrton, 1902-; Levi, Albert William, 1911- (Greenwood Press, 1969)