100
If we don't stop for gas soon, then we'll run out of gas. If we run out of gas, then we'll be late for the wedding. Therefore, if we don't stop for gas soon, we'll be late for the wedding.
Is this a chain argument? Why?
What is: Yes, it is a chain argument because it is true to the critical thinking form:
If A, then B.
If B, then C.
Therefore, if A, then A.