Pages that link to "File:Dudeney-Modern-Puzzles-140-solution.png"
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The following pages link to File:Dudeney-Modern-Puzzles-140-solution.png:
Displayed 3 items.
- Henry Ernest Dudeney/Modern Puzzles/140 - The Four-Colour Map Theorem/Solution (file link) (← links)
- Henry Ernest Dudeney/Modern Puzzles/140 - The Four-Colour Map Theorem/Refutation (file link) (← links)
- Four Color Theorem/Flawed Proofs (file link) (← links)