But that theory may not survive contact with reality.

The declarer eventually lost two club tricks, for down one, although he could in theory have survived.

And if the theory survives, it comes out so much the stronger.

Einstein's theory survives, physicists say, but the results of the experiments, they agree, are mind-bending.

Should any new theory survive more of such refutations, it would have a higher verisimilitude and therefore, Popper concluded, be closer to truth.

Clever theories about what is written or said cannot survive juxtaposition with that sentence.

A successful theory must be consistent with all the facts, contradicted by none, and survive experiments aimed at proving it false.

Nationalist theories developed during communism have survived largely intact into the present day.

Einstein's theory of gravity has survived all tests so far, yet there is no absolute proof for it and there never will be.

The main theory of powers survives, and with Mumford's help and editorial contribution is readily accessible.