《The Science of Programming》David Gries | PDF下载|ePub下载

Why Use logic? Why Prove Programs Correct?
Propositions
Reasoning using Equivalence Transformations
A Natural Deduction System
Predicates
Nations and Conventions for Arrays
Using Assertions To Document Programs
The Predicate Transformer wp
The Commands skip, abort and Composition
The Assignment Command
The Alternative Command
The Iterative Command
Procedure Call
Introduction
Programming as a Goal-Oriented Activity
Developing Loops from Invariants and Bounds
Developing Invariants
Notes on Bound Functions
Using Iteration Instead of Recursion
Efficiency Considerations
Two Larger Examples of Program Development
Inverting Programs
Notes on Documentation
Historical Notes
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