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import rescale.pseudo_normed_group
import pseudo_normed_group.FP
open_locale classical nnreal
open ProFiltPseuNormGrpWithTinv
universe variables u
@[simp] theorem Filtration_rescale (r' c N : ℝ≥0) [fact (0 < r')]
(M) [profinitely_filtered_pseudo_normed_group_with_Tinv r' M] :
((Filtration r').obj c).obj (of r' (rescale N M)) =
((Filtration r').obj (c * N⁻¹)).obj (of r' M) := rfl
@[simps hom inv]
def Filtration_cast_eq (r' c₁ c₂ : ℝ≥0) (h : c₁ = c₂) [fact (0 < r')] (M) :
((Filtration r').obj c₁).obj M ≅
((Filtration r').obj c₂).obj M :=
((Filtration r').map_iso $ category_theory.eq_to_iso h).app M
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