IMHO it isn't "direction". PG just put various arguing methods into a sensible framework. Other people have done the same. I only referenced PG's because it see

IMHO it isn't "direction". PG just put various arguing methods into a sensible framework. Other people have done the same. I only referenced PG's because it seemed pertinent given his relationship to this forum. And I was an early commenter when there only a few comments and a high percentage of them engaged in name calling.