Definition:Free


 * Abstract Algebra
 * Definition:Free Monoid
 * Definition:Free Monoid on Set
 * Definition:Free Commutative Monoid
 * Definition:Free Group
 * Definition:Free Group on Set
 * Definition:Free Abelian Group
 * Definition:Free Abelian Group on Set
 * Definition:Free Module
 * Definition:Free Module on Set
 * Definition:Free Group Action


 * Topology
 * Definition:Free Loop