I only saved the first chapter, but you have the whole thing archived: https://web.archive.org/web/20190627151514/https://www.datapacrat.com/Opinion/Reciprocal

I only saved the first chapter, but you have the whole thing archived: https://web.archive.org/web/20190627151514/https://www.datapacrat.com/Opinion/Reciprocality/r0/index.html https://web.archive.org/web/20190627151514/https://www.datap...