 Admittedly, pairing Sanches with Galen may at first seem rather odd, given the latter’s rejection of scepticism. In “My Own Books” he wrote that he wished to learn “the science of logical proof” (GAL2: 18) and the method by which to recognize whether a particular proof was sound or not. To accomplish such, he says, he turned to “the best-reputed Stoic and Peripatetic philosophers of the time” (GAL2: 18), but their conflicting logical theories culminated in confusion. 