Answer:
The answer is invalid.
Step-by-step explanation:
This is invalid.
(1) She is a girl.
(2) Her name is Chris.
(3) Chris is a girl's name.
The Law of Syllogism states, “If p→q and q→r are true, then p→ r is also true.
The Law of Detachment states, “If p→q is true and p is true, then q is also true.”
Hence, this is invalid.