Learning prolog ?

Question

Are logical programming language like prolog rather advanced or easier to learn?

Any learning source recommendations?

Thanks:)

Answer 1

Resources:
http://www.learnprolognow.org/
http://www.amzi.com/AdventureInProlog/

Answer 2

I found prolog as easy / difficult as any other language. It's different enough from other languages, that you'll have to learn most of its concepts from scratch though.

I learned it from a book, pre-internet days, however I'm sure there are online learning resources available.