1. Use the indicated letters to write each argument in symbolic form. a. If you can read this bumper sticker (r), you're too close (c). You can read this bumper sticker. Therefore, you're too close....

Extracted text: 1. Use the indicated letters to write each argument in symbolic form. a. If you can read this bumper sticker (r), you're too close (c). You can read this bumper sticker. Therefore, you're too close. b. If it is snowed (s), then I did not go to my chemistry class (~d). I went to my chemistry class. Therefore, it did not snow. c. If I can't buy the house (~b), then at least I can dream about it (d). I can buy the house or at least I can dream about it. Therefore, I can buy the house. 2. Using the given in number 1. Use the truth table to determine whether the argument is valid or invalid.