On the other hand, in clinical practice we make the transition from propositions of universal validity—the sort which Galen believes himself able to arrive at in the way seen above, through the application of logical method on the basis of evident starting-points—to the particular case; and Galen problematizes this difference between the general or universal (katholou) and the individual or particular (idion) (Chiaradonna 2013, van der Eijk 2008). Each individual case is different; moreover, the existence is acknowledged of empirical experiences which are not expressible in words (Dig. Puls. III.3, 914). This suggests a conclusion of considerable epistemological interest, namely that there are individual phenomena which cannot be fully incorporated in the universal scientific account (see Singer 2021b).