Complex sentence: One example is Rule 90, the one-dimensional binary automaton that replaces each state with the exclusive or of its two neighbors; in this automaton, every state has four predecessors, so it is not injective but also has no Garden of Eden.
Split into simpler sentences: One example is Rule 90, the one-dimensional binary automaton that replaces each state with the exclusive or of its two neighbors. In this automaton, every state has four predecessors, so it is not injective but also has no Garden of Eden.