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Re:Who owns the fish? A Common Lisp solution to "Einstein's... by taeric on Monday May 12, 2014 @04:25PM (#7735226)
Seems perfectly crafted for prolog. So... I'd love to see how this compares to a solution in http://docs.racket-lang.org/racklog/
Re:Who owns the fish? A Common Lisp solution to "Einstein's... by lispm on Monday May 12, 2014 @04:33PM (#7735261)
Prolog solution in Lisp, here LispWorks:

http://lispm.de/source/misc/kw-zebra.lisp

Re:Who owns the fish? A Common Lisp solution to "Einstein's... by MrRoger on Monday May 12, 2014 @05:31PM (#7735527)
http://rosettacode.org/wiki/Zebra_puzzle#Racket

Clojure, using core.logic, is also there for good measure.