In other words, debtors are effectively required to prove a negative something which is very difficult even in the best of situations.

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What is more, to refute it Iraq seems to be obliged to prove a negative, which, to a layman, seems a little tricky.

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His approach was harder to pull off: raise the bar, create a zone of privacy, don't fall into the trap of trying to prove a negative.

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In years past Turkey's spotty democracy was often cited to prove a negative: the Turkish case (along with Indonesia's and Malaysia's, also with reservations) showed that Islam did not pose an insuperable barrier to multiparty democracy.

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How do you prove a negative?

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To people actually interested in how the climate works, however, seeing what happens in a very strong negative AO may prove a boon, by allowing the roles of different processes in ice loss to be further disentangled.

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However, in July the Home Office dismissed calls by the home affairs committee to make it an offence as ministers said it would be hard to prove and could have a negative effect on victims.

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However, the battle may prove to be fruitless as both firms have the patent power to diffuse a negative verdict.

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