Portia casket logic problem.
108881
The famous Portia's casket problem
129693
An interesting problem with "decomposing" natural numbers.
158016
Help understanding predicate logic question/proof
63454
Lewis Carroll's Pillow Problem via Bayes' Theorem
73589
Probability: A flaw in logic? The emperor's proposition with marbles and two urns
24440
Revolving Beacon confusing calculus problem
121605
A coin tossing game which leads to a contradiction
54861
The Three Princesses (distinguishing truth-teller with 1 question)
116703
The Molecular Level - Game is bugged
12291
Two envelope problem revisited
155592
Conditional conundrum
132701
Contradicting Fubini's theorem
89145
Card doubling paradox
63571
The Mississipi counting problem, this time in circle
50862
Boy and girl paradox is driving me crazy
47697
Russell's paradox: a set cannot contain its own powerset
83778
An incorrect proof by exhaustion