Without space and time, it is difficult to formulate a physical theory.

It was all he needed to formulate a brilliant theory.

Depending upon the situation, his works are found to have formulated new theories also.

In 1994 she formulated a new theory of child development, focusing on the peer group rather than the family.

Almost every physical theory, formulated in the most general manner, is rather difficult from a mathematical point of view.

Let others formulate theories; he worked by observation and used what was successful.

James has formulated a theory of fiction that many today still discuss and debate.

After such analysis it is possible to formulate a suitable theory of motion.

As they reached the other side of the object, Spock formulated a theory.

Enough data and we'll be able to formulate a theory.