fact: Definition e2E n := match n with nzero => ZEll.nzero | ntriple x1 y1 z1 => ZEll.ntriple (z2Z x1) (z2Z y1) (z2Z z1) end.
imports: ZArith Znumtheory Zpow_facts CyclicAxioms Cyclic63 Int63Compat Bignums(DoubleCyclic BigN) W Mod_op ZEll Bits Zmod