Sentence 1: Irreversibility in thermodynamic processes is a consequence of the asymmetric character of thermodynamic operations and not of any irreversible internal microscopic properties of the body .
Sentence 2: Irreversibility in thermodynamic processes is a consequence of the asymmetric character of thermodynamic operations , and not of any internally irreversible microscopic properties of the bodies .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?