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Separable field extension

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Summary

An algebraic extension in which every element has a separable minimal polynomial over the base field.

Record metadata

Carrier(s)

Axioms / constraints

Canonically induces

Concept sources

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Algebraic field extensionSeparable field extension

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This is an authored directed relation from the source endpoint to the target endpoint.

Authored explanation

Minimal polynomials must have distinct roots in a splitting field.

How to interpret this relation type

Keep the existing data and select the subclass satisfying an additional law, existence condition, finiteness condition, or other property.

Relation sources

Galois extensionSeparable field extension

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This is an authored directed relation from the source endpoint to the target endpoint.

Authored explanation

A Galois extension is normal and separable; forgetting normality leaves a separable extension.

How to interpret this relation type

Pass canonically from a stronger object to structure it determines, or forget part of the data while retaining a valid weaker structure. The carrier may change under a canonical induced construction.

Relation sources

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Separable field extensionnormal + separable field extension(construction junction)

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This is an authored directed relation from the source endpoint to the target endpoint.

Authored explanation

Supply separability of the same algebraic extension as the other jointly required input.

How to interpret this relation type

Feed several structures into a construction junction and impose compatibility between them.

Relation sources