The ryan plan is a "reductio adabsurdum " a disproof by taking a proposition to a logical conclusion.
瑞恩计划是一个“归谬证法”——通过推导逻辑结论对命题进行反证。
2
The former are a reductio adabsurdum of the latter precisely because both claims follow from the same philosophical approach to rights — they are differences in degree, not in kind.
两者都基于相同的权利哲学，前者恰恰是后者的重复，它们的差异，只是量的差异，并不存在质的区别。
词源
1
ad absurdum:
Borrowing from Latin ad ?(“to”) + absurdum ?(“absurdity”).