Haƙiƙanin butulci ra'ayi ne na falsafa wanda ke nufin gaskata cewa hankalinmu daidai yake wakiltar haƙiƙanin haƙiƙanin duniyar da ke kewaye da mu. Ra'ayin cewa abin da muke fahimta ta hankulanmu shine wakilcin kai tsaye na duniyar zahiri, kuma cewa tunaninmu ba ya tasiri ta imaninmu, son zuciya, ko wasu hanyoyin tunani. Wannan ra'ayi yana nuna cewa duniya daidai take kamar yadda muka gane ta, kuma ba a buƙatar tambaya game da daidaiton fahimtarmu. To sai dai kuma wannan ra’ayi ya sha kalubalantar ka’idojin falsafa da na kimiyya daban-daban, wadanda ke nuni da cewa ra’ayoyinmu ba koyaushe suke daidai ba ko kuma abin dogaro, kuma abubuwa da dama na iya yin tasiri a kansu, kamar abubuwan da suka faru a baya, tsammaninmu, da kuma al’adunmu.