According to Webster, metaphysics is defined thus:

“The science of the conceptions and relations which are

necessary to thought and knowledge; science of the

mind.” Worcester defines it as “the philosophy of mind,

as distinguished from that of matter; a science of which [25]

the object is to explain the principles and causes of

all things existing,” Brande calls metaphysics “the

science which regards the ultimate grounds of being, as

distinguished from its phenomenal modifications.” “A

speculative science, which soars beyond the bounds of [30]