Garden of Eden

noun3

1. •
   (figurative) An idyllic place wherein innocence and perfection reign; any delightful region or abode; a pastoral utopia; an Arcadia.

   • The utopian socialists promised the peasants a Garden of Eden.
2. •
   (figurative) A state or condition of unsullied innocence.
3. •
   A pattern that can only exist as an initial state and is not attainable from any other state.

   • In this paper the author presents some properties regarding the existence or non-existence of gardens of Eden for the cellular automata. — 1986