fact: Definition mult : nat -> nat -> nat := rec_nat' (nat -> nat) (fun m => 0) (fun n g m => add m (g m)).
imports: HoTT(Basics Types HProp HSet Projective TruncType Truncations Modalities.Notnot Modalities.Open Modalities.Closed BoundedSearch Equiv.BiInv Spaces.Nat Spaces.Torus.TorusEquivCircles Metatheory.Core Metatheory.FunextVarieties)