The First indemonstrable principle is that the same thing cannot be at the same time affirmed and denied; this is based on the notion of being and non-being,and on this principle all others are based. As for the coursework writing, don't hesitate to leave your orders via the form at https://order-essays.com/motivation-letter-writing-online/.

St. Thomas Aquinas,Summa Theol., 1a 2ae, q.94,a 2