11.   Besides needing all the cash she could get her hands on to pay for her tax cuts, Mrs. Whitman had a philosophical problem with the marinas.

12.   Albert Camus wrote that the only philosophical problem is suicide.

13.   But Kaia, too, has a philosophical problem with attire.

14.   No one denies that there are philosophical problems with the idea of natural regulation.

15.   Popper, best known for his theory that scientific theories can be proved false but cannot be proved true, believed in the existence of genuine philosophical problems.

16.   The philosophical problems with encryption are debated today at the highest levels of government, largely because the prevalence of computers lets almost anyone use sophisticated encoding systems.

17.   The philosophical problem is that it is unclear what year to use as a baseline.

18.   The philosophical problems that plague ordinary quantum mechanics are amplified in so-called quantum cosmology.