Full Idea
As secondary qualities are tailored to match senses, a proliferation of senses would lead to a proliferation of secondary qualities.
Gist of Idea
If secondary qualities match senses, would new senses create new qualities?
Source
Howard Robinson (Perception [1994], III.1)
Book Reference
Robinson,Howard: 'Perception' [Routledge 2001], p.69
A Reaction
One might reply that if we experienced, say, magnetism, we would just be discerning a new fine grained primary quality, not adding something new to the ontological stock of properties in the world. It is a matter of HOW we experience the magnetism.