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For example , we created links to other universities that have made ERIC available on the Internet so that our students could search the database from home without having to locate these sites on their own . The second thing that can happen , and about which he has cautioned University College and other units that offer post-baccalaureate evening programs , is that because courses require a 15-week commitment rather than 10 weeks , and the tuition is 50 % more , there is likely to be drop in enrollment in these programs . There is an attitude , mainly seen in retired Cabinet Secretaries , of wishing that they had an even bigger towel over their heads , so that people would come and talk to senior civil servants about policy-making rather than talking to all these other people that they talk to . For example , show separately the satisfaction set , the Herbrand universe , the Herbrand base , and any other steps that are required in the method . But we have to be careful that we do not arbitrarily cut off important connections between this spec and other schemes that will be required .