[imported_luckyme]

[ QUOTE ]
It's easy to define but hard to be confident as to whether he is acting illogicaly or we are mistaken about what he believes is in his interests.

[/ QUOTE ]

Agreed, but I'd add (c) or he is mistaken about what his interests are, which questions this - [ QUOTE ]
All we have to work with when deciding what to do is what we believe we want.

[/ QUOTE ] which is true. That doesn't allow us to conclude that what we believe we want is what we want, we're not internally omniscient either. In many cases, it's much easier to see what somebody wants from the outside than it is for them from the inside. The, "If you think you play poker (only) for the money, you're only fooling yourself" view of things.

Still, on a philosophy forum we can only deal with the logic as it is overtly presented, and leave the 'a persons philosophy grows out of their psychology' type questions to the psychology forum, I 'spose. ( although it does explain a lot of what we read here).
luckyme