The art of river crossings and grids
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Ancient riddles and philosophical paradoxes
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Lateral thinking and creative loopholes
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Game theory and probability traps
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YOUR GOAL
Master of Famous logic puzzles
schopenhauer Ancient Riddles and Paradoxes
With a tiny head start for a tortoise in a race, Achilles can't catch him, no matter his pace.
schopenhauer This simple statement creates an endless loop of self-contradiction, exposing the limits of formal language.
schopenhauer This ancient Greek paradox argues that motion is impossible by dividing distance into infinite smaller steps.
schopenhauer Loosen the noose by guessing letters to master the logic of classic conundrums.
The Sphinx riddle: In Greek mythology, the Sphinx strangled anyone who failed her riddle, but threw herself from a cliff when Oedipus solved it.
A statement that is seemingly contradictory or opposed to common sense and yet is perhaps true. Zeno of Elea devised several famous motion puzzles in ancient Greece during the fifth century BC.
What logical fallacy occurs when an arguer assumes the truth of the very conclusion they are trying to prove?
What is the name of the ancient Sanskrit riddle collection about a king and a witty ghost?
Which historical figure's ship is used in a famous philosophical thought experiment about identity and replaced parts?
In the 'unexpected hanging paradox,' why can the event not happen on the very last day of the week, Friday?
Which ancient Greek philosopher proposed the paradox of Achilles and the tortoise to argue that motion is an illusion?
In the mythical Riddle of the Sphinx, what creature walks on four legs in the morning, two at noon, and three in the evening?
Which paradox asks whether a supreme being can create a rock so heavy that they themselves cannot lift it?
The Epimenides paradox features a Cretan stating 'All Cretans are liars.' What type of logical loop is this?