
What are Numbers Made of?
In the physical world, many seemingly basic things turn out to be built from even more basic things. Molecules are made of atoms, atoms are made of protons, neutrons, and electrons. So what are numbers made of?
In the physical world, many seemingly basic things turn out to be built from even more basic things. Molecules are made of atoms, atoms are made of protons, neutrons, and electrons. So what are numbers made of?
Can you save the target from his assassin in a square room with bouncy walls?
Can you stack four colored cubes so that each color only shows once on each side?
Set theory is the foundation of all of mathematics. How does it handle infinity?