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Theorems · Theorem · commutative algebra

isFiniteLength_quotient_span_singleton

∀ (R : Type u_1) [inst : CommRing R] [IsNoetherianRing R] [Ring.KrullDimLE 1 R] {x : R},
  x ∈ nonZeroDivisors R → IsFiniteLength R (R ⧸ Ideal.span {x})

The quotient of a Noetherian ring of krull dimension less than or equal to 1 by a principal ideal is of finite length.

Defined in
Mathlib.RingTheory.OrderOfVanishing.Basic
Cited by
1 results in Mathlib
Foundations
Depth 102 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommRingIsNoetherianRingRing.KrullDimLE

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