indiscernible beings, n.All

Indiscernible beings (n.) are ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠possible after all: if the conditions can vary only in finitely many ways, finitely many different individuals can exist, and some must be twins.