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

Immigrants arriving in the united states during the late 1800s experienced many difficulties. which of the following was a problem which large numbers of immigrants faced?

2. explain the two different types of egyptian calendars. 3. what architectural advances did the ancient egyptians make? what impact do these advances have on our lives today? 4. what did egyptian art usually depict? how does this compare to forms of art that we see today? 5. what all was found in king tut’s tomb?

What two emerging factors after the war of 1812 contributed to the development of sctionalism