/usr/share/acl2-8.0dfsg/books/misc/dft-ex.acl2 is in acl2-books-source 8.0dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | ; Copyright (C) 2014, Regents of the University of Texas
; Written by J Moore, 6/13/01
; License: A 3-clause BSD license. See the LICENSE file distributed with ACL2.
; cert-flags: ? t :defaxioms-okp t
(certify-book "dft-ex" ? t :defaxioms-okp t)
|