2.11.10
A list is an odd creature, take 3
I mentioned to my first-year students that a list is an odd creature: it has only a head and a tail, where the tail is itself a creature with only a head and a tail, and so on. I challenged them to produce a picture, and Dan Benveniste came up with this:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiWio0TIQQ2qdYjxF3Mb3GeQyktcpeisu9Lsx4RwErUQ3pXGyq1POxk_xMp_koGYzshEb26Wa09GDnsd-CZ16lS-ojox4YSW0Nt6t1xzyuIan__PUBsZQTvm7vIXBoUD5GAwVwK/s400/TheList.png)
I like the recursion, but it's not really a creature, is it? Further attempts encouraged! Previous entries:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiWio0TIQQ2qdYjxF3Mb3GeQyktcpeisu9Lsx4RwErUQ3pXGyq1POxk_xMp_koGYzshEb26Wa09GDnsd-CZ16lS-ojox4YSW0Nt6t1xzyuIan__PUBsZQTvm7vIXBoUD5GAwVwK/s400/TheList.png)
I like the recursion, but it's not really a creature, is it? Further attempts encouraged! Previous entries: