/usr/share/logol/prolog/ is in logol 1.6.10-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/logol/prolog/SWI-README
/usr/share/logol/prolog/logol.merge.xsl
/usr/share/logol/prolog/logol.order.xsl
/usr/share/logol/prolog/logol.pl
/usr/share/logol/prolog/logol.properties
/usr/share/logol/prolog/mail.tpl
/usr/share/logol/prolog/mapfile.dna
/usr/share/logol/prolog/match.dtd
/usr/share/logol/prolog/optimal.pro
/usr/share/logol/prolog/sicstus.pl
/usr/share/logol/prolog/swi-logol.pl
/usr/share/logol/prolog/unitTest/
/usr/share/logol/prolog/unitTest/plunittest.pro
/usr/share/logol/prolog/unitTest/sampleUnit.pro
/usr/share/logol/prolog/unitTest/swi-unit.pl