AllTalk
No user record in our sample, but AllTalk has activity below (stories or comments). Likely we have partial data — the full bulk-load will fill profiles in.
- Chaos train quantifier logic problem (twitter.com)
- Pop culture written in logic – can you figure them out? (jdh.hamkins.org)
- Math for kids: fold, punch and cut (jdh.hamkins.org)
- Math for nine-year-olds: fold, punch and cut for symmetry (jdh.hamkins.org)
- Infinite chess -– bishop cannon gun battery fires out bishop cannonballs (jdh.hamkins.org)
- Math for eight-year-olds: graph theory for kids (jdh.hamkins.org)
- Math for eight-year-olds: graph theory and the Euler characteristic (jdh.hamkins.org)