sets/sets.ma logic/cprop.ma
logic/cprop.ma sets/setoids1.ma
sets/setoids1.ma properties/relations1.ma sets/setoids.ma
sets/setoids.ma logic/connectives.ma properties/relations.ma
logic/equality.ma logic/connectives.ma
logic/connectives.ma logic/pts.ma
algebra/magmas.ma sets/sets.ma
properties/relations1.ma logic/pts.ma
properties/relations.ma logic/pts.ma
logic/pts.ma