# PIP-0109

**URL:** https://discourse.prolog-lang.org/c/improvements-forum/0109-labeled-subterms/25.md

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## [About the PIP-0109 category](https://discourse.prolog-lang.org/t/about-the-pip-0109-category/168)

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**Author:** [@herme](https://discourse.prolog-lang.org/u/herme)\
**Replies:** 0\
**Last updated:** [October 16, 2025, 1:30pm UTC](https://discourse.prolog-lang.org/t/about-the-pip-0109-category/168 "2025-10-16T13:30:41Z")

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See PIP 0109 - Syntax for labeled subterms To start/continue discussion: open a new topic within this subcategory or reply within an existing topic.R