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CorollaryStatement: Literature-sourcedProof: AI-adaptedSession-authored (Fable 5 assisted)precheck passjudge pass (deepseek-v4-pro + claude-sonnet-5)audited 2026-08-17
How statement and proof provenance work

The first chip identifies the source of the statement or construction; the second identifies the source of its local proof or verification.

  • Literature-sourced: the exact statement appears in a cited source; only wording and notation differ.
  • AI-adapted: a semantically identical restatement of literature-sourced material, modulo indexing, notation, and boundary cases adopted by the library.
  • AI-generated: a genuinely novel statement formulated by AI, with no source for the claim itself.

These labels describe origin, not correctness: citations and verification chips remain separate evidence.

Every finite extension of a perfect field is simple

Statement

Every finite extension of a perfect field is simple.

Facts & Assumptions

Given: A finite extension E/F with F perfect.

[L1]

Every finite field extension is algebraic (Every finite field extension is algebraic).

[L2]

Every algebraic extension of a perfect field is separable (Every algebraic extension of a perfect field is separable).

Proof

technique · direct
1.1

By [L1] the extension is algebraic, and [L2] therefore makes it separable.

L1L2
2.1

It is finite and separable, so [L3] makes it simple.

step 1.1L3

Depends on

Used by

Nothing in the library uses this result yet.

Dependency tree · next 3 levels

Direct dependencies and their dependencies through the next three levels: 42 results over 10 levels. An arrow runs from a result to what uses it, and this result sits at the bottom with a heavier outline. Click the chart to enlarge it.

Sources