Theorems · Theorem · ring theory
isSimpleModule_self_iff_isUnit
∀ {R : Type u_2} [inst : Ring R], IsSimpleModule R R ↔ Nontrivial R ∧ ∀ (x : R), x ≠ 0 → IsUnit xA ring is a simple module over itself iff it is a division ring.
- Defined in
- Mathlib.RingTheory.SimpleModule.Basic
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 69 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- Ring
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Cites13
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coeproof · cited by 62,936
- Ringstatement and proof · cited by 7,463
- Nontrivialstatement and proof · cited by 2,416
- IsUnitstatement and proof · cited by 1,602
- one_ne_zeroproof · cited by 885
- IsUnit.unitproof · cited by 252
- IsSimpleModulestatement · cited by 114
- Function.Bijective.surjectiveproof · cited by 114
- LinearMap.toSpanSingletonproof · cited by 78
- left_ne_zero_of_mulproof · cited by 27
- left_inv_eq_right_invproof · cited by 19
- isSimpleModule_iff_toSpanSingleton_surjectiveproof · cited by 1
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