111 121 126 160 1711-1776 1724-1804 1762-1814 1770-1831 1842-1918 1889-1951 193 20thcentury categories(mathematics) christianity cohen david doctrinal fichte freewillanddeterminism georgwilhelmfriedrich german hegel hermann hume identity(philosophicalconcept) identity(psychology) immanuel johanngottlieb kant knowledge liberty logic ludwig objectivity ontology philosophy reason religiousaspects self(philosophy) theology theoryof transcendentalism wittgenstein