Full Idea
The hypothesis of solipsism, that I - an entity with many conscious mental properties - am all that exists, while surely false, is not rendered incoherent simply by the nature of the mental properties.
Gist of Idea
The hypothesis of solipsism doesn't seem to be made incoherent by the nature of mental properties
Source
Trenton Merricks (Objects and Persons [2003], §4.II)
Book Reference
Merricks,Trenton: 'Objects and Persons' [OUP 2003], p.94
A Reaction
This, along with the thought of a pre-Creation God, is a nice intuitive case for showing that we strongly believe in some degree of narrow content.