The "absurd" conclusion of a reductio ad absurdum argument can take a range of forms, as these examples show:
• The Earth cannot be flat; otherwise, since the Earth is assumed to be finite in extent, we would find people … 展开

Reductio ad absurdum was used throughout Greek philosophy. The earliest example of a reductio argument can be found in a satirical poem attributed to Xenophanes of Colophon (c. … 展开

Aristotle clarified the connection between contradiction and falsity in his principle of non-contradiction, which states that a proposition cannot be both … 展开

• Hyde, Dominic; Raffman, Diana (2018). "Sorites Paradox". In Zalta, Edward N. (ed.). Stanford Encyclopedia of Philosophy (Summer 2018 ed.).
• Garfield, … 展开

Much of Madhyamaka Buddhist philosophy centers on showing how various essentialist ideas have absurd conclusions through reductio ad absurdum arguments (known as prasaṅga, … 展开

• Appeal to ridicule
• Argument from fallacy
• Contraposition
• List of Latin phrases
• Mathematical proof 展开

• The dictionary definition of per impossibile at Wiktionary
• "Reductio ad absurdum". Internet Encyclopedia of Philosophy. 展开