boolean connectors
+|plus
Using AND
Boolean searches allow you to combine words and phrases using the words AND, OR, NOT and NEAR (otherwise known as Boolean operators) to limit, widen, or define your search. Most Internet search engines and Web directories default to these Boolean search parameters anyway, but a good Web searcher should know how to use basic Boolean operators.
BUT (apex)
Most likely it is called BOOLEAN ALGEBRA I.
There are several boolean operators in PHP. I'm not able to provide you with it's full list, but here are some of the most used ones: && - AND - OR ! - NOT
True
a government where most are restricted to the higher in office people
The search engine is the most advanced method of searching for information. however, the results that you expect might not be the ones you want. The reason for that is that the search engines ranking system is not perfect. And another thing, the search engines looks only for the form that you search for, and not the meaning, because it doesn't understand it. So, even with advanced Boolean searches you can't expect to get the perfect results.
north
The HMO is the least expensive and most restrictive Medicare managed care plan.
I don't think so, most are not that restrictive