Theorems · Theorem · ring theory

TrivSqZeroExt.fst_invOf

∀ {R : Type u} {M : Type v} [inst : AddCommGroup M] [inst_1 : Semiring R] [inst_2 : Module Rᵐᵒᵖ M] [inst_3 : Module R M]
  (x : TrivSqZeroExt R M) [inst_4 : Invertible x] [inst_5 : Invertible x.fst], (⅟x).fst = ⅟x.fst

Defined in

Mathlib.Algebra.TrivSqZeroExt.Basic

Cited by

1 results in Mathlib

Foundations

Depth 28 from the axioms · uses propext, Quot.sound

Assumes

AddCommGroupSemiringModuleModuleInvertibleInvertible