discrete mathematics C 12 D 13 3 Consider the statement and

discrete mathematics

C. 12 D. 13 3. Consider the statement and its proof: 1112510 12510-1 ( Proof, we know that 11 | 210-1. Further, 101 510, so 210-1 10-1, and therefore (*) is true. A. The proof is invalid and statement () is false. B. The proof is invalid, but statement (\") is true. C. The proof is valid, but statement (\") is false. D. The proof is valid and statement () is true.

Solution