reduction to absurdity, n.All

A Reduction to absurdity (n.) only ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠works on those who accept universality; without it, the absurd conclusion simply never arrives.

Reduction to absurdity (n.) says: ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠if you want this, you cannot assume that — not that we think the unthinkable.