Zebra Problem The problem – Who Owns the Zebra – is a classic problem in logical deduction. The elements of the problem require you to identify each item with a house. House Beverage Color Nationality Pet Occupation COT-3100 – Zebra Problem
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The problem – Who Owns the Zebra – is a classic problem in logical deduction. The elements of the problem require you to identify each item with a house.
Each item is treated as an EXCLUSIVE OR within its category
Symbolically representing the relationships, and the NOT relationships:
Violinist O.J.Spaniard DogJapanese Painter
Italian TeaNorwegian House 1White Green (R)
Photographer Snails Norwegian Blue (next)Milk House 3
Green CoffeeYellow Horse (next) Englishman Red HousePhysician Fox (next)Diplomat Horse (next)Diplomat Yellow
Spaniard | PhotographerItalian | House 3Englishman | Coffee
Englishman | BlueEnglishman | House 1/2Japanese | Photo
Italian | GreenJapanese | Violinist
Blue House 2
Color: BlueGreen RedWhiteYellow
Nationality: Englishman Italian Japanese Norwegian Spaniard
Beverage: Coffee Milk O.J.TeaWater
Occupation: PainterPhotographer Physician Diplomat Violinist
Plotting known elements:
Plotting elements that are eliminated from each house:
Results and/or possibilities (from eliminations)
Italian Violinist/PhysicianSpaniard Violinist/Physician :Englishman Photographer
Spaniard Violinist O.J White
The ZEBRA problem is an excellent exercise in logic flow.
It is also a 5 x 5 matrix, and makes an excellent project for computer analysis.