While men might feel an economic pinch post-divorce, especially when they must pay child support or alimony on top of their own living expenses, the Utah State University Cooperative Extension indicates that as many as one out of every five divorced women actually falls below the poverty level following a divorce.
invalidate If administrators find out that students cheated on a test, the school might invalidate their class grades. To invalidate means to cancel something or make it void, as if it never happened. In invalidate you see the word valid which means true or correct. When you invalidate something you are making it less true, less official, or less correct. If you buy something that doesn't work properly and then try to fix it yourself, you invalidate the warranty.
This is a false assumption. The W3C HTML Validator checks for validity from an SGML point of view, but there are some well-formedness rules which it does not check. With a basic understanding of validity and well-formedness, it is easy to see why a document may be well-formed yet not valid.ust because an XHTML document is well-formed doesn't mean it's valid, and despite popular assumption, just because an XHTML document is valid (according to the classic definition used by the current W3C Validator) doesn't mean it's well-formed.