関連ワード:  show that work is a path function and not a property    show that work is a path function    show that work is a path function and not a state function    show that work is a path function and not the property of system    prove that work is a path function thermodynamics    prove that work is a path function mathematically    show that work transfer is a path function    prove that work done is a path function    mathematically prove that work is a path dependent function    show that heat is a path function