. . . . "nineteenth" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "19th century in philosophy" . . . . . . . . "19th-century" . . . "19th-" . . . . . "19th" . . "19th-century philosophy" . . "19th century philosophy" . . . . . "20th-century philosophy" . "19th century" . . . . . . . . . . . . . . . "19th-century philosopher" . "nineteenth-century positivism" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "19th-century philosophy" . . . . . . . . . . . . . . . . . . . . "late modern philosophy" . . .