# Chullin 135a & 137b Changing Appearance Changes the Essence (I) - ראשית הגז, צבעו פטור

From **Matmonim: Daf Yomi by Rabbi David Lapin** by R David Lapin.

- **Published:** Mon, 14 Sep 2026 11:00:00 +0300
- **Duration:** 12:22
- **Books:** Chullin
- **Sections:** 135a, 137b
- **Audio:** https://www.buzzsprout.com/1528778/episodes/19800923-chullin-135a-137b-changing-appearance-changes-the-essence-i.mp3
- **TorahApp:** https://torahapp.org/share/p/3P_r-lapin-matmonim/e/Buzzsprout-19800923

<p>Halacha defines things not only by their chemistry but also by the nouns that describe them and by their appearance.</p><p><a href='https://lapininternational-my.sharepoint.com/:b:/p/david/IQCzOKkaeK-jQZNtdf-XEZvqAVYE6YDmmInG_hlNSMCsPso?e=pffnHe'>Source Sheet</a></p>