Logic
# Syllogistic Logic

Syllogisms come from intuitive notions of "all", "some", and "none", but they are intertwined with mathematics and link with deeper topics in logic. Some results are counterintuitive, so exploring the possibilities of the oldest method of logic can still be rewarding even today.

Expect to see and learn how to solve questions like this one:

The question above is a simple example, but when the logic gets more complex, you'll find that Venn diagrams are a useful, powerful tool for keeping track of the kinds of information given in these puzzles.