Search for: [Subject and Keywords = logic \(19 c.\)] OR [Subject and Keywords = Logika\-\- 19 w. \[JHPBN\]] OR [Title = Logika, objaśniona figurami i pytaniami] OR [Title = Logika, objaśniona figurami i pytaniami] OR [Creator = Jevons, William Stanley \(1835–1882\)] OR [Creator = Jevons, William Stanley \(1835–1882\)]