Are You Married?

#logic#hard#knights-knaves#formal

hardadults

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Two people: Person X and Person Y. Person X: 'If I am a knight, then I am married.' Person Y: 'If I am a knight, then Person X is married.' Is Person X married?

More Knights & Knaves Riddles

hard

Two Doors

You stand before two doors. One leads to freedom, one to doom. Two guards stand watch — one always tells the truth (knight), one always lies (knave). You don't know which is which. You can ask ONE guard ONE question. What do you ask?

hard

A, B, and C

Three people A, B, C are either knights (always true) or knaves (always lie). A says: 'We are all knaves.' B says: 'Exactly one of us is a knight.' What are A, B, and C?

medium

What Am I?

A person says: 'I am a knave.' Is this person a knight or knave?

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