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Summary: 1
Class Notes for CS 819A3 - Spring 2003
1. Expressions, Commands, and Assertions
John C. Reynolds
Department of Computer Science
Carnegie Mellon University
Revised January 20, 2003
c
2003 John C. Reynolds
2
Expressions
hexpi ::= 0 j 1 j 2 j
j hvari j hexpi j hexpi + hexpi j hexpi hexpi
j hexpi hexpi j
hboolexpi ::= true j false
j hexpi = hexpi j hexpi 6= hexpi j
j : hboolexpi j hboolexpi ^ hboolexpi j hboolexpi _ hboolexpi
j hboolexpi ) hboolexpi j hboolexpi , hboolexpi
Semantics of Expressions
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