The analyst describes the geometry of the system and the materials, usually with conservative or pessimistic assumptions.

Moreover, one cannot tell from the editorial that the estimate is based upon "pessimistic" assumptions for Social Security.

Social Security's actuaries also began to make more pessimistic assumptions about the future.

These are the pessimistic assumptions, and they imply that we too are doomed.

If these pessimistic assumptions were justified, how could the smaller States protect their interests or even their existence?

Or we can make the even more pessimistic assumption that output for every working person grows 1 percent a year.

Utopia began from this pessimistic assumption, and one could argue that it has remained on some level a negative idea.

Make just a few pessimistic assumptions and what looms in 2010 is a state of fewer than 600,000.

Social works are similarly influenced and exhibit the same pessimistic assumptions about the abilities of older people.

The verdict was that even given the plan's most pessimistic assumptions, the company would be viable.