Content atlas · skill

Analyze a binary operation and its properties

Use an operation rule or table to test closure, associativity, commutativity, identities, and inverses on a stated set.

2 published problems

1. One Step Past Omega — Join infinite ordered rows, then decide what changes when one extra position moves from the beginning to the end.
2. Can There Be Two Ones? — Follow Jules's four return tests, then use Vivian's definition to decide whether any operation could have two different identities.