2 ms·
> It is extremely hard, if not impossible, to prove a negative. It is actually rather easy to prove a negative: If P, then Q. Not Q. Therefore, no
by jjgreen 5y ago
> It is extremely hard, if not impossible, to prove a negative.
It is actually rather easy to prove a negative:
If P, then Q.
Not Q.
Therefore, not P.
This is called modus tollens and has been known since antiquity.
- sseagull 5y agoI will interpret this as a little tongue-in-cheek. But see my comment on mathematics :)