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:
“I made a list of things I have
to remember and a list
of things I want to forget,
but I see they are the same list.”
—Linda Pastan (b. 1932)
“All is possible,
Who so list believe;
Trust therefore first, and after preve,
As men wed ladies by license and leave,
All is possible.”
—Sir Thomas Wyatt (1503?–1542)
“It is impossible to step into the same river twice.”
—Heraclitus (c. 535–475 B.C.)
“Woman and fool are two hard things to hit,
For true no-meaning puzzles more than wit.”
—Alexander Pope (1688–1744)