Francis Bacon was an early proponent of the scientific method and promoted the Baconian Method, a methodology for scientific inquiry. It states

A.
one should be able to deduce by inductive reasoning the real nature of things.
B.
that the idea is the permanent reality that makes a thing what it is.
C.
that the spiritual world has subsistent forms separate from the material world.
D.
inherent forms only exist in conjunction with matter.

A. one should be able to deduce by inductive reasoning the real nature of things.