One could also say the opposite. It's not abstract at all, just a set of rules and their implications. Plausibly the least abstract thing there is. On the othe

One could also say the opposite. It's not abstract at all, just a set of rules and their implications. Plausibly the least abstract thing there is. On the other hand, two cookies plus three cookies, what even is a cookie? What if they're different sizes? Do sandwich cookies count as one or two? If you cut one in half, does you count it as two cookies now? All very abstract. Just give me some concrete definitions and rules and I'll give you a concrete answer.