Theorems · Theorem · group theory
one_eq_inv
∀ {α : Type u_1} [inst : DivisionMonoid α] {a : α}, 1 = a⁻¹ ↔ a = 1- Defined in
- Mathlib.Algebra.Group.Basic
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 12 from the axioms · uses propext
- Assumes
- DivisionMonoid
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- DivisionMonoidstatement and proof · cited by 201
- inv_eq_oneproof · cited by 10
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