In Part One we looked at the three most prevalent fatal thinking flaws, and I used a few different thought challenges as the backdrop. They were hard, but we are going to kick it up a notch in Part Two, where we look at the next two thinking flaws—Satisficing and Downgrading—in the context of thinking challenges in which elegant solutions are not as easily achieved, because the challenges themselves are more vexing.

For example, take a look at a more difficult insight problem involving an incorrect Roman numeral equation, like the one I showed you in Chapter 2 (Fixation). In this one, you cannot move or alter in any way either ...

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