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1. |
Suppose that P(n) is a propositional function. Determine for which positive integers n the statement P(n) must be true if: P(1) and P(2) is true; for all positive integers n, if P(n) and P(n+1) is true then P(n+2) is true. |
A. | P(1) |
B. | P(2) |
C. | P(4) |
D. | P(n) |
Answer» E. | |