Got stuck at resoving an induction
I encounter a problem numbered 9 in the homework exercise area of the book
sconcrete mathmaticst, chapter 1. It is described as below:
Now I've resolved the a and b but getting stuck in c. The answer is given
like this:
I know how to induce P(4) from P(2), but don't know how to induce P(3)
from P(4) yet. Can anyone explain the way to me. Thanks for any help.
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