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Behavioral Mathematics for Game AI by Dave Mark

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Defining Decision

The most atomic structure in behavioral game artificial intelligence (AI) is the individual decision. I use the word atomic, not in the literal sense that it was first used—that is, “the smallest possible object”—but rather in the sense of “what bigger things are built out of.” The true definition of the word atom is “something so small as to prohibit further division.” Scientists of the past originally named atoms “atoms” because the belief was that there was nothing smaller from which an atom was made. They believed it was impossible to divide them further.

Since that point, of course, we have discovered otherwise. The etymology of the word has drifted as well. When we talk about the chemical nature of a substance, we don’t ...

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