What are the DTD elements?

What are the DTD elements? In a DTD, elements are declared with an ELEMENT declaration. Declaring Elements. In a DTD, XML elements are declared with the following syntax: Empty Elements. Empty elements are declared with the category keyword EMPTY: Elements with Parsed Character Data. Elements with any Contents. What are Read more…

How was John Venn?

How was John Venn? John Venn, (born August 4, 1834, Kingston upon Hull, England—died April 4, 1923, Cambridge), English logician and philosopher best known as the inventor of diagrams—known as Venn diagrams—for representing categorical propositions and testing the validity of categorical syllogisms. How did John Venn come up with the Read more…