Issue 19 vol 1 March 2019


1. j-function of number theory. How?


2. Classification of finite simple groups. Where?


3. Schreier refinement theorem. Why?


4. Zassenhaus lemma. When?


5. Directed acyclic graph. What?


6. Reachability, transitive closure, and transitive reduction. Saying what again!















www.artandlanguage.co.uk