Express each of these statements using logical operators, predicates, and quantifiers. a) some propositions are tautologies. b) the negation of a contradiction is a tautology. c) the disjunction of two contingencies can be a tautol- ogy. d) the conjunction of two tautologies is a tautolog

The extermination of an entire targeted population is called genocide

This chart shows the number of soldiers killed according to two different sources. source a is a book written by university professors. source b is from a well-known historical website. in a paragraph, explain why the data presented is different, and evaluate the reliability of each source. which should be used in a school research project, and why?

This is the largest and most populous country of the caribbean region. puerto rico dominican republic cuba haiti