Infinite Regress Problem
The logical problem that if every cause requires a prior cause, an infinite chain of causes stretches backward without beginning. The Cosmological Argument contends this is impossible, so an uncaused cause (God) must exist. Critics respond that quantum physics or mathematical infinities suggest infinite regress is not logically impossible.
Real World
Imagine a row of dominoes stretching back infinitely — no first domino ever falls, so none should be falling now. Aquinas used this intuition to argue a first cause is needed, while mathematician Georg Cantor showed that actual infinities (like the set of natural numbers) are logically coherent.
Exam Focus
Always pair the infinite regress objection with at least one counter-argument — one-sided analysis caps your marks on evaluation questions.
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