English
There is a canonical extension of the embedding to the completion: extensionEmbedding_of_comp (h) : v.Completion →+* L, extending f from WithAbs v to L when ∥f x∥ = v x.
Русский
Существуют канонические продолжения вложения до дополнения: extensionEmbedding_of_comp(h) : v.Completion →+* L, которое продолжает f с WithAbs v в L при условии ∥f x∥ = v x.
LaTeX
$$$$extensionEmbedding\\_of\\_comp(h) : v.Completion \\to+* L.$$$$
Lean4
/-- The completion of a field with respect to a real absolute value. -/
abbrev Completion :=
UniformSpace.Completion (WithAbs v)