They're paintings I made and put a PalmPilot in the middle as a kind of display that's sort of thinking, I'm abstract art. What am I? I'm abstract.

A formal system is broadly defined as any well defined system of abstract thought based on the model of mathematics.

I also participate indirectly and abstractly in forging the common good, by creating value through my work, and I am rewarded for it.

For that entire time, the world only exists as an abstraction, as he is taught the values of society, including this notion that their prayers alone maintain the cosmic balance.

The entailment of the system by its logical foundation is what distinguishes a formal system from others which may have some basis in an abstract model.

One of them is, if we are able to think about life in abstract terms and we're not talking about things like plants, and we're not talking about amino acids, and we're not talking about bacteria, but we think in terms of processes then we could start to think about life, not as something that is so special to Earth, but that, in fact, could exist anywhere.