But he was under exclusive contract to Universal, and they wanted a prohibitive amount of money to loan him out.

The theorem concerns a thought experiment which cannot be fully carried out in practice, since it is predicted to require prohibitive amounts of time and resources.

"We live in a 30-year-old house, and it would have been a prohibitive amount of work and expense," he said.

Local online charges run between 60 cents and $1.20 an hour, a prohibitive amount in a country where salaries average about $50 a month.

An operation to treat the condition costs $350, a prohibitive amount for a girl in a poor country.

Using a single near-field probe would take a prohibitive amount of time even to write the circuitry for a single chip.

However any such rule would be inelegant and be impossible to apply in practice because of the prohibitive amount of case checking required.

Nor, contrary to what might be supposed, was a prohibitive amount of metal or of labor necessary to fabricate that mammoth structure.

For the past two years however, people in this sort of situation are being asked to pay a prohibitive amount of tax.

Most applications, however, are not accelerated so much unless programmers invest a prohibitive amount of effort in re-factoring the whole problem.