Knights, Knaves and Normals: Three-Type Logic Puzzles
Knights, knaves and normals puzzles with a truth-teller, a liar and a normal who can say either: a case method, a worked example and a practice puzzle.
Riddle10 blog
Knights, knaves and normals puzzles with a truth-teller, a liar and a normal who can say either: a case method, a worked example and a practice puzzle.