Question

Philosophy

Fill in the blanks: Is the argument valid or invalid? What is the name of its form (see Logic Handout)
1. If Ruby takes the train, she will arrive on time
2. Ruby does not take the train
3. Therefore, Ruby does not arrive on time
This argument is ______, it's form is known as ______

Answer 1

This argument is valid, it's form is known as Modus Tollens.