Changes

=====Four Positions=====

The [[discourse|four discourses]] are distinguished from one another by the [[discourse|positions]] of these ''four'' [[symbol]]s in each [[matheme|algorithm]].

Each of the [[discourse|four discourses]] is defined by the [[discourse|position]] of the ''four'' [[symbol]]s in its [[matheme|algorithm]].

The [[discourse|positions]] of these ''four'' [[symbol]]s in each [[matheme|algorithm]] is what distinguishes the [[discourse|four discourses]] from one another.