Original diagram geometry, explanatory labels, captions, numerical diagnostics and Python source in this directory are dedicated to the public domain under CC0 1.0 Universal (CC0-1.0).

The figures were drawn from mathematical definitions, identities and examples in the supplied lesson. No source-page screenshots, scanned diagrams, copied illustrations or source images were used. Human-source further reading is recorded in captions.json and remains ordinary bibliographic citation.

The scripts use the installed Matplotlib DejaVu Sans font by reference. No font files or third-party library code are copied or distributed here. Dependencies retain their own terms.

The supported-order diagram, exact data and render_supported_order.py are original course expression and code dedicated under CC0-1.0 to the extent of rights held. The diagram illustrates the complete proofs in L158 Section9 and WORD Section8. Installed DejaVu font glyphs retain their existing terms.