Each concept here is mapped to its prerequisites — the ideas you'd need first to understand it — all the way down to four foundations: Space, Time, Energy, Pattern. Click any prerequisite to drill down, or scroll for the chain graph.
Al-thaalibah is a region in north eastern Baghdad, characterized by a certain quantity or amount, but a more precise definition requires a deeper understanding of mathematical quantity.
External reference — all senses of the word “al-Tha'alibah” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.