∀ {R : Type u_1} {B : Type u_2} {F : Type u_3} {E : B → Type u_4} [inst : Semiring R] [inst_1 : TopologicalSpace F]
  [inst_2 : TopologicalSpace B] [inst_3 : AddCommMonoid F] [inst_4 : Module R F]
  [inst_5 : (x : B) → AddCommMonoid (E x)] [inst_6 : (x : B) → Module R (E x)]
  (e : Bundle.Pretrivialization F Bundle.TotalSpace.proj) [inst_7 : Bundle.Pretrivialization.IsLinear R e] {b : B},
  b ∉ e.baseSet → Bundle.Pretrivialization.linearMapAt R e b = 0