http://general-terms.thesaurus.ekt.gr/vocabhttp://general-terms.thesaurus.ekt.gr/vocab?tema=11817epistemological theories http://general-terms.thesaurus.ekt.gr/vocab?tema=11817 philosophical theories BT http://general-terms.thesaurus.ekt.gr/vocab?tema=11817 empiricism NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11817 coherentism NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11817 skepticism NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11817 phenomenalism NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11817 rationalism NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11817 foundationalism NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11817 nominalism NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11817 relativism NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11817 pragmatism NT