121 1724-1804 184 19thand20thcenturies 2015f-421 a ancient byperiod byregionorcountry cf5017 classical darwin education educationtheory greece history immanuel kant kritikderreinenvernunft languageandlanguages later18thandearly19thcenturies later19thand20thcenturies math metaphysical mind-bodyrelations modern(1450/1600-) occident performative(philosophy) phi002000 philosophicaltheology philosophy philosophy(general) plato politicalscience politics protagoras psychology reference religion schools schoolsofthought science secondperiod self(philosophy) self-knowledge semantics separateworks socialsciences socrates sophists(greekphilosophy) soul speechacts(linguistics) surveys teaching theology theoryof theoryofmind thirdperiod wz294