Final answer:
The assumption that caring and love are universal and mysterious forces is included in the Philosophy and Science of Caring theory.
Step-by-step explanation:
The assumption that caring and love are universal and mysterious forces is included in the Philosophy and Science of Caring theory. This theory is associated with nursing theorist Jean Watson, who emphasizes the importance of a caring relationship between healthcare providers and patients. In her theory, Watson argues that caring is a fundamental aspect of human existence and should be central to healthcare practices.