16.1 Sharing and Equality
16.1.1 Re-Examining Equality
16.1.2 The Cost of Evaluating References
16.1.3 Notations for Equality
16.1.4 On the Internet, Nobody Knows You’re a DAG
16.1.5 It’s Always Been a DAG
16.1.6 From Acyclicity to Cycles
16.2 The Size of a DAG
16.2.1 Stage 1
16.2.2 Stage 2
16.2.3 Stage 3
16.2.4 Stage 4
16.2.5 Stage 5
16.2.6 What We’ve Learned
16.2.7 More on Value Printing: An Aside from Racket