The inference from 'beauty is caused by mind' to 'only mind is beautiful' requires the additional premise that objects of beauty are necessarily internal
It is in arguing for the internality of the power of discerning beauty that Hutcheson’s departure from Shaftesbury begins to show. Shaftesbury, it will be recalled, argues that the discernment of beauty is internal (or mental) on the grounds that the objects of beauty necessarily are: mind alone can discern beauty because mind alone is beautiful, external objects managing a degree of beauty only by having a bit of mind imprinted on them. But Hutcheson cannot make this argument because he does no