The concept of a "universal constructor" is non-trivial because of the existence of garden of eden patterns but a simple definition is that a universal constructor is able to construct any finite pattern of non-excited (quiescent) cells.
The concept of a "universal constructor" is non-trivial because of the existence of garden of eden patterns. A universal constructor is able to construct any finite pattern of non-excited (quiescent) cells. A simple definition is this.