sum
append
State
asimp
NAExp
nplus
average
map
Introduction
Part I: Refinements 101
Case Study: Vector Bounds
Part II: Properties of Structures
Case Study: Sorting, Interpreter
Part III: Invariants of Data Structures
Case Study: Sorting actually Sorts Lists
Part IV: Termination and Correctness Proofs
Case Study: Optimizing Arithmetic Expressions