Question: Al-Battani and Ibn al-Shatir, have which mutual occupation?
Sentence (from "Fragmentation (sociology)"): This gap between the concerned group and the rest might be social, indicating poor interrelationships among each other; economical based on structural inequalities; institutional in terms of formal and specific political, occupational, educative or associative organizations and/or geographic implying regional or residential concentration.
Relevant evidence: No