The major difference between real and complex numbers is that real
numbers can be ordered from smaller to larger. So you might speculate
that the fact that the numbers of our world are real may favor a human
tendency towards simplistic rankings where one item is
worse” or “better than the other. What
if your grade for a quantum mechanics test was and someone
else had a ? It would be logical in a world in which
the important operators would not be Hermitian.