fact: Definition torn_number (u : nat -> R) (v : R -> nat) (pen : enumeration R u v) : {m : R | is_lub (tearing_elem_fst u v pen) m}.
imports: Coq.Reals.Rdefinitions Coq.Reals.Raxioms Rfunctions Coq.Reals.RIneq Coq.Logic.FinFun Coq.Logic.ConstructiveEpsilon