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)
“My list of things I never pictured myself saying when I pictured myself as a parent has grown over the years.”
—Polly Berrien Berends (20th century)
“It is impossible, as impossible as to raise the dead, to restore anything that has ever been great or beautiful in architecture. That which I have ... insisted upon as the life of the whole, that spirit which is given only by the hand and eye of the workman, can never be recalled.”
—John Ruskin (1819–1900)
“Nothing puzzles me more than time and space; and yet nothing troubles me less, as I never think about them.”
—Charles Lamb (1775–1834)