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Pseudo Basis

Abstract

A finitely generated module over a Dedekind domain admits a pseudo-basis.

Theorem 1.1 (Pseudo Basis).

Lean statement: D5/S3/Arith/AbsoluteValues/Heights/PseudoBasis.exists_pseudoBasis

Proof. Machine-checked in Lean as D5/S3/Arith/AbsoluteValues/Heights/PseudoBasis.exists_pseudoBasis (✓ std3). ∎

Citation. Ralf Stephan (2026). Subspace-Theorems. URL: https://github.com/rwst/Subspace-Theorems/tree/bfd830f481b296989fa5f0c1e48d9316f72270d8.

Commentary.

A finitely generated module over a Dedekind domain admits a pseudo-basis.

References

  • Truth anchor: D5/S3/Arith/AbsoluteValues/Heights/PseudoBasis.exists_pseudoBasis