User:Apple Bottom/Incubator/Classification of stable patterns

                          Stable pattern
                                |
                      +---------+---------+
           One object |                   | Several objects
                      v                   v
                Stable object       Stable constellation
                      |
            +---------+---------+
Inseparable |                   | Separable
            v                   v
  Strict still life       Non-strict still life
                                |
                      +---------+---------+
             >3 -> <3 |                   | !(>3 -> <3)
                      v                   v
              Pseudo still life    Quasi still life

External links

• Apple Bottom. Re: Enumerating Still Lifes (in C) (discussion thread) at the ConwayLife.com forums