respiration, n.All

Respiration (n.) proves ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠nothing on its own: "I breathe, therefore I am" concludes nothing unless it already means "I think that I breathe."