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 Dog Japanese Painter
Italian Tea Norwegian House 1 White Green (R)
Photographer Snails Norwegian Blue (next) Milk House 3
Green Coffee Yellow Horse (next) Englishman Red HousePhysician Fox (next) Diplomat Horse (next) Diplomat Yellow
Spaniard | Photographer Italian | House 3 Englishman | Coffee
Englishman | Blue Englishman | House 1/2 Japanese | Photo
Italian | Green Japanese | Violinist
Blue House 2
Color: Blue Green Red White Yellow
Nationality: Englishman Italian Japanese Norwegian Spaniard
Pet: Dog Fox Horse Snail Zebra
Beverage: Coffee Milk O.J. Tea Water
Occupation: Painter Photographer Physician Diplomat Violinist
Plotting known elements:
Plotting elements that are eliminated from each house:
Results and/or possibilities (from eliminations)
Italian Violinist/Physician Spaniard 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.