Timeline for Can an argument be valid even if its conclusion has nothing to do with its premisses?
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| Sep 18, 2023 at 9:51 | comment | added | Peter LeFanu Lumsdaine | “you'll never encounter a real-world situation where the premises are true, so you'll never be able to use the argument anyway.” Arguments from contradictory premises can certainly be used in real life, just indirectly — most often, to refute a hypothetical which would imply those premises. E.g. if Eve claims Alfred has 20 mice and Frank claims Alfred has 30 mice, then you can conclude that either Eve or Frank is wrong. | |
| Sep 16, 2023 at 20:54 | history | answered | benrg | CC BY-SA 4.0 |