Symbolize the following argument and find out if it is valid or not by doing a truth-tree (be sure to say what your letters stand for!) Either we go to the concert or see a movie. We can’t do both. The concert is too far away. Therefore, we will see a movie.

What is the difference between a journal entry written by an eyewitness to an event and a play written about the same event? a. the journal entry is a historiographical source, while the play is a periodical source. b. the journal entry is a chronological source, while the play is a primary source. c. the journal entry is a primary source, while the play is a secondary source. d. the journal entry is a secondary source, while the play is a periodical source.