∀ {B : Type u_1} {F : Type u_2} {E : B → Type u_3} [inst : TopologicalSpace B] [inst_1 : TopologicalSpace F]
  [inst_2 : (x : B) → Zero (E x)] (e : Pretrivialization F Bundle.TotalSpace.proj) {b : B},
  b ∉ e.baseSet → ∀ (y : F), e.symm b y = 0