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cf., ST.I.Q85.A6; QDeVer.Q1.A2; DeAn.Bk3.L6; Metaph.Bk4.L12
Continuing what was said above, in order to determine this question, we must seek the relation of TRUTH to the senses before we seek the relation of its contrary to the senses. St. Thomas distinguishes between the faculty that formally knows truth (the intellect) and the judgment that we can make that there is some sort of conformity between the faculty and the object, i.e., "knowing truthfully" (the senses).