A boolean variable can have values true, false and null. Most of the universe is still a mystery whatever the fact checkers say.
No ET, no answers: Intel report is inconclusive about UFOs
WASHINGTON (AP) — A long-awaited U.S. government report on UFOs released Friday makes at least one thing clear: The truth is still out there. Investigators did not find extraterrestrial links in reviewing 144 sightings of aircraft or other devices apparently flying at mysterious speeds or trajector…
In information theory, the entropy of a random variable is the average level of “information”, “surprise”, or “uncertainty” inherent in the variable’s possible outcomes. The concept of information entropy was introduced by Claude Shannon in his 1948 paper “A Mathematical Theory of Communication”, and is sometimes called Shannon entropy in his honor.