I found this note when I was cleaning out some old papers. It’s like finding a strange little gift from the us of the past.
List of Counterexamples
- Communism
- Hitler
- Klein 4 group
- Petersen graph
- Plasma
- Hawaii
- Neutrinos
- Tacoma Narrows bridge
- Rwanda
- The 1%
- Duck-billed platypus
- Seahorses