There is no largest prime.
Every bounded non-empty set of integers has a least element.
Every bounded non-empty set of reals has a least upper bound.
A set is infinite, if and only if, it can be placed in a one-to-one correspondence with one of its proper subsets.
The integers cannot be placed into one-to-one correspondence with any non-empty open interval of reals, no matter how small.
The product of a collection of non-empty sets is not empty.
Every Sigma Algebra of a countably infinite set is uncountable.
These things don't involve voting. You can rely on them. Anything involving free will that isn't absolutely forbidden by logic, mathematics, or physics is eventually going to happen.
Vote.
Yet there is a definite pattern - you have to explain why the rule holds true for all years except those ending in “68.” Why is “68” special? Its a mathematical constant.
I don’t need to look at the polls to know “O” will lose this year. If he defies the odds and IS re-elected, then we will know its no longer a universal rule.