Theorems · Definition · ring theory
Subalgebra.topEquiv
{R : Type u} → {A : Type v} → [inst : CommSemiring R] → [inst_1 : Semiring A] → [inst_2 : Algebra R A] → ↥⊤ ≃ₐ[R] AThe top subalgebra is isomorphic to the algebra.
This is the algebra version of Submodule.topEquiv.
- Cited by
- 9 results in Mathlib
- Foundations
- Depth 79 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- CommSemiringSemiringAlgebra
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites9
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Semiringstatement and proof · cited by 13,802
- Algebrastatement and proof · cited by 11,388
- CommSemiringstatement and proof · cited by 10,911
- Top.topstatement and proof · cited by 9,680
- AlgEquivstatement · cited by 1,681
- Subalgebrastatement · cited by 1,353
- Subalgebra.valproof · cited by 104
- AlgEquiv.ofAlgHomproof · cited by 13
- Algebra.toTopproof · cited by 0
Cited by14
Results whose statement or proof uses this declaration.
- IntermediateField.topEquivproof · cited by 24
- IsPrimitiveRoot.powerBasisproof · cited by 16
- Subalgebra.bot_eq_top_iff_finrank_eq_oneproof · cited by 5
- Subalgebra.LinearDisjoint.mulMapLeftOfSupEqTopproof · cited by 5
- PowerBasis.ofAdjoinEqTop'proof · cited by 3
- PowerBasis.ofAdjoinEqTop'_genproof · cited by 2
- Subalgebra.bot_eq_top_iff_rank_eq_oneproof · cited by 2
- IsCyclotomicExtension.integralproof · cited by 2
- PowerBasis.ofAdjoinEqTopproof · cited by 2
- Subalgebra.topEquiv_applystatement and proof · cited by 2
- traceForm_dualSubmodule_adjoinproof · cited by 1
- IsAlgClosed.nonempty_algEquiv_or_of_finrank_eq_twoproof · cited by 1