Consider the arguments below and decide whether they are valid. If they are, write down an informal proof, phrased in complete, well-formed English sentences. If the argument is invalid, construct a counter example.
In Questions 3.1 and 3.3 we assume we deal with the blocks language.
Question 3.1
| x or y is at home but either v or z is unhappy
| Either x is not home or z is happy.
| Either y is not home or z is unhappy
|---
| z is unhappy
Question 3.2
| Aggie or Cecil is not shopping.
| Cecil is shopping or Cecil and Aggie are married.
| Aggie and Cecil are not married or Aggie is shopping.
|----
| Cecil and Aggie are married.
Dear Martin, your question requires a lot of work, which neither of our experts is ready to perform for free. We advise you to convert it to a fully qualified order and we will try to help you. Please click the link below to proceed: Submit order
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
APPROVED BY CLIENTS
"assignmentexpert.com" is professional group of people in Math subjects! They did assignments in very high level of mathematical modelling in the best quality. Thanks a lot
Comments
Leave a comment