Timeline for Examples of interesting false proofs
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 17 at 2:21 | comment | added | Jim Conant | @RichardBirkett yes! "Mathematical fallacies, flaws, and flimflam" by Edward J. Barbeau. It is apparently out of print. cambridge.org/core/books/… | |
| Jan 16 at 22:00 | comment | added | Richard Birkett | @JimConant Did you ever remember the book? | |
| Apr 16, 2021 at 4:42 | comment | added | Jim Conant | @nombre indeed. The problem is with the application of the result, not the result itself, that and loose language around quantification. | |
| Apr 15, 2021 at 19:52 | comment | added | nombre | But the result is true, it's just that $\forall x (P \longrightarrow Q)$ and $\forall x (Q \longrightarrow P)$ are not implications. | |
| Jan 10, 2019 at 11:14 | comment | added | Alex Gavrilov | Actually, I like this one. Even if universal quantification is implicit, it is better not to forget that it is there. | |
| S Jan 10, 2019 at 8:04 | history | answered | Jim Conant | CC BY-SA 4.0 | |
| S Jan 10, 2019 at 8:04 | history | made wiki | Post Made Community Wiki by Jim Conant |