If it is true that...

A deficiency of polyunsaturated fatty acids leads to altered rates of cellular regeneration and differentiation

Then it must be true that...

If rats are given a stimulating environment, each generation gets a slightly bigger, more intelligent brain

If it is true that...

Choosing intelligently from possible diets and selecting courses of action will create pattern and reduce entropy

Then it must be true that...

If rats are given a stimulating environment, each generation gets a slightly bigger, more intelligent brain

If it is true that...

Education contains an element of choice and self-actualization

Then it must be true that...

If rats are given a stimulating environment, each generation gets a slightly bigger, more intelligent brain

If it is true that...

If rats are treated during pregnancy to increase the amount of progesterone, the offspring have bigger brains and learn more efficiently

Then it must be true that...

If rats are given a stimulating environment, each generation gets a slightly bigger, more intelligent brain

If it is true that...

The ability to realize this potential, to create this complexity, comes from the support of the environment

Then it must be true that...

If rats are given a stimulating environment, each generation gets a slightly bigger, more intelligent brain