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Aristoteles Louvre.jpg
Formal Logic is a study of inference with purely formal content. The first rules of formal logic were written over 2300 years ago by Aristotle and are still vital to many modern disciplines like Linguistics and Computer Science.
The Earth seen from Apollo 17.jpg
Outer space is the final frontier for man. Even though the rest of the solar system objects may seem like tiny dots from Earth, our celestial neighbors are still important to learn about, because they aren't really just dots. Solar System presents this material in a manner inviting to young astronomers everywhere.


ValencianPaella.jpg
Paella Valenciana and its seafood variation originated in the early 1800s in Spain's Valencian region near lake Albufera. Valencians consider Valencian paella and seafood paella as authentic. They view all other variations as impostors.
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