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Theorems · Theorem · commutative algebra

isAlgebraic_iff_isIntegral

∀ {K : Type u} {A : Type v} [inst : Field K] [inst_1 : Ring A] [inst_2 : Algebra K A] {x : A},
  IsAlgebraic K x ↔ IsIntegral K x

An element of an algebra over a field is algebraic if and only if it is integral.

Defined in
Mathlib.RingTheory.Algebraic.Integral
Cited by
12 results in Mathlib
Foundations
Depth 112 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
FieldRingAlgebra

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

IsAlgebraic.isIntegral · cited by 25IsAlgebraic.isIntegralisAlgebraic_of_isFractionRing · cited by 6isAlgebraic_of_isFraction…mem_algebraicClosure_iff · cited by 5mem_algebraicClosure_iffAlgebra.isAlgebraic_iff_isIntegral · cited by 3Algebra.isAlgebraic_iff_i…exists_isTranscendenceBasis_and_isSeparable_of_linearIndepOn_pow · cited by 2exists_isTranscendenceBas…IntermediateField.exists_algHom_adjoin_of_splits_of_aeval · cited by 1IntermediateField.exists_…ax_grothendieck_of_locally_finite · cited by 1ax_grothendieck_of_locall…Subalgebra.algebraicClosure_eq_integralClosure · cited by 0Subalgebra.algebraicClosu…FunctionField.finiteDimensional_of_adjoin_transcendental · cited by 0FunctionField.finiteDimen…RatFunc.isAlgebraic_adjoin_simple_X' · cited by 0RatFunc.isAlgebraic_adjoi…transcendental_aeval_iff · cited by 0transcendental_aeval_iffIsFractionRing.isAlgebraic_iff' · cited by 0IsFractionRing.isAlgebrai…DFunLike.coe · cited by 62936DFunLike.coeAlgebra · cited by 11388AlgebraRing · cited by 7463RingField · cited by 7404FieldPolynomial · cited by 5681PolynomialMulZeroClass.zero_mul · cited by 1625MulZeroClass.zero_mulPolynomial.C · cited by 1598Polynomial.Cmap_mul · cited by 1137map_mulPolynomial.aeval · cited by 615Polynomial.aevalPolynomial.leadingCoeff · cited by 498Polynomial.leadingCoeffIsIntegral · cited by 427IsIntegralIsAlgebraic · cited by 163IsAlgebraicPolynomial.aeval_def · cited by 51Polynomial.aeval_defPolynomial.monic_mul_leadingCoeff_inv · cited by 19Polynomial.monic_mul_lead…IsIntegral.isAlgebraic · cited by 18IsIntegral.isAlgebraicisAlgebraic_iff_isIntegralCITED BYCITES

Cites15

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by12

Results whose statement or proof uses this declaration.