An additional separate layer of "entity groups" is needed to represent such aggregation or containment relation ships between physical entities, with a 1-to-n or n-to-1 mapping to the physical entity
xplanations for dark energy fall into two basic camps: those theories that add a new physical entity
or those that change the laws of gravity, according to Eric Linder with the University of California at Berkeley.
But it always pays to consider the racehorse as a physical entity
before writing her off as a star who fell to Earth.
With plans for a staff of 15, however, the university is less a physical entity
than a governing headquarters that aims to better coordinate education programs.
She no longer had any recognition of herself as a physical entity
, with hands and feet and a body, but as a fluid, directly connected to the ultimate reality.
Formulation is the meticulous balance of all ingredients in a single physical entity