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:
“Love’s boat has been shattered against the life of everyday. You and I are quits, and it’s useless to draw up a list of mutual hurts, sorrows, and pains.”
—Vladimir Mayakovsky (1893–1930)
“Lovers, forget your love,
And list to the love of these,
She a window flower,
And he a winter breeze.”
—Robert Frost (1874–1963)
“... it is nearly impossible to understand those who are beyond our sight, who are not explained to us by ties of birth or the contact of the flesh.”
—Rebecca West (1892–1983)
“Woman and fool are two hard things to hit,
For true no-meaning puzzles more than wit.”
—Alexander Pope (1688–1744)