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Book Certification
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To certify books, execute the following:

make ACL2=<Path of the ACL2 image>

To remove certificate files, etc., execute the following:

make clean ACL2=<Path of the ACL2 image>

See Makefile file for the detail.

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Book Organization
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The DE simulator is implemented in de.lisp.

The modeling and verification of the 32-bit asynchronous serial adder
are implemented in async-serial-adder.lisp.


