Curious abt the source of this categorization. I’ve heard it used colloqially especially when thinking about the four worlds in kabbalah, also I’m taking gen bio and chem next semester and thought this would be useful lens through which to think abt the subjects outside of the classroom.
For reference:
https://www.chabad.org/library/article_cdo/aid/1101/jewish/The-Development.htm
submitted by /u/HashemIsPog
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Source: Reditt
