My opinion is (and this is what gives this explanation its proper place here) that every error is an inference from the consequent to the reason, which indeed is valid when we know that the consequent has that reason and can have no other;
Nire iritzia da, izatez, (eta horrek ematen dio azalpenari lekua hemen) errore oro ondoriotik arrazoirako silogismo bat dela, zeinek zinez balio baitu, non ere jakina denean, ondorioak hura bakarrik eta beste inolako kausarik ezin dezakeela izan;