proposition: Lemma isZero_zero_module : @isZero mod_category (zero_module R).
proof: Proof. exact (@make_isZero mod_category (zero_module _) iscontrfromzero_module iscontrtozero_module). Defined.
imports: UniMath.Algebra.Groups UniMath.Algebra.RigsAndRings UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Univalence UniMath.Algebra.Modules UniMath.Algebra.Modules.Examples UniMath.CategoryTheory.Limits.Zero