Timeline for Proofs without words
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 27, 2018 at 13:46 | history | edited | Martin Sleziak | CC BY-SA 3.0 |
added the picture from the linked pdf file
|
| Jul 8, 2011 at 21:49 | history | answered | Phil Isett | CC BY-SA 3.0 |