You keep using that word. I do not think it means what you think it means.

Main Entry: so·lip·sism
Pronunciation: 'sO-l&p-"si-z&m, 'sä-
Function: noun
Etymology: Latin solus alone + ipse self
Date: 1874
: a theory holding that the self can know nothing but its own modifications and that the self is the only existent thing