 On the constructive side, Feigl’s solution to the mind-body problem might indeed be regarded as a direct continuation of the earlier ‘double-language’ conception presented by Schlick. Like in the case of the realism issue, Feigl attempts at a semantically more sophisticated revision of the original Schlickian point of view. One can even go further and say that it is the very same terminology which is employed by Feigl in this connection. Thus, just like in the case of realism, Feigl categorically distinguishes the evidential (or confirmatory) basis from the factual reference (or content) of the respective knowledge claims. Feigl writes: