Binary package “acl2-books-certs” in ubuntu xenial
Computational Logic for Applicative Common Lisp: library certificates
ACL2 is both a programming language in which you can model computer
systems and a tool to help you prove properties of those models.
.
This file contains certification records for the various precompiled
libraries supplied in the ACL2-books package. ACL2 essentially
requires that all included books be certified before use.