Final answer:
The logical statement is: 'Something is round and something is square, but there exists nothing that is both round and square.'
Step-by-step explanation:
The student's statement can be rewritten in logical form as: Something is round and something is square, but there exists nothing that is both round and square.
In this statement, we can see that there are two separate things, one that is round and one that is square. However, it is not possible for something to be both round and square at the same time. This statement emphasizes that there is no object that possesses the contradictory properties of being both round and square simultaneously.