This is a list of puzzles which have been proven impossible. An impossible puzzle is a puzzle that cannot be solved by following the directions or criteria for that puzzle.
- Mutilated chessboard problem
- Some variations of Fifteen puzzle
- Three-colouring the edges of the Petersen graph
- Seven Bridges of Königsberg
- Water, gas, and electricity
- Three cups problem
Famous quotes containing the words list of, list, impossible and/or puzzles:
“Thirty—the promise of a decade of loneliness, a thinning list of single men to know, a thinning brief-case of enthusiasm, thinning hair.”
—F. Scott Fitzgerald (1896–1940)
“Hey, you dress up our town very nicely. You don’t look out the Chamber of Commerce is going to list you in their publicity with the local attractions.”
—Robert M. Fresco, and Jack Arnold. Dr. Matt Hastings (John Agar)
“We have tried so hard to adulterate our hearts, and have so greatly abused the microscope to study the hideous excrescences and shameful warts which cover them and which we take pleasure in magnifying, that it is impossible for us to speak the language of other men.”
—Charles Baudelaire (1821–1867)
“Woman and fool are two hard things to hit,
For true no-meaning puzzles more than wit.”
—Alexander Pope (1688–1744)