Full Idea
If someone says "I do and I don't like x", we do not take her to be expressing a literally contradictory belief.
Gist of Idea
If someone says "I do and don't like x", we don't assume a contradiction
Source
Jaegwon Kim (Philosophy of Mind [1996], p.135)
Book Reference
Kim,Jaegwon: 'Philosophy of Mind' [Westview 1998], p.135
A Reaction
It might mean 'one minute I like it, and the next minute I don't', where there seems to be a real contradiction, with a time factor. You can't sustain both preferences with conviction.