real possibility, n.All

Real possibility (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠not a bare 'could be' but a circle in which the possible and the actual mediate each other — the whole matter, already stirring toward actuality.

Real possibility (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠how tragedy is built into circumstance: pursue one justified aim one-sidedly and you injure another moral sphere just as justified.