He proposed the term 'phoronomia' in 1716 for the topic which was sometimes called 'rational mechanics' and now called 'theoretical mechanics'.
Siya iminungkahi ang katagang 'phoronomia' sa 1716 para sa mga paksa na kung minsan ay tinatawag na 'katuwiran mechanics' at ngayon ay tinatawag na' panteorya mechanics'.