Examlex
Simplify the expression and eliminate any negative exponents(s).
Assume that all letters denote positive numbers.
The Amazing Kreskin
A stage name for George Joseph Kresge, an American mentalist who became famous for his television performances that demonstrated seemingly psychic abilities.
Clever Hans
Refers to a horse in the early 1900s that was believed to be able to perform arithmetic and other intellectual tasks, later understood as responding to involuntary cues from humans.
Oskar Pfungst
A psychologist known for his work with clever Hans, a horse that appeared to perform arithmetic.
Wilhelm Wundt
A German psychologist regarded as the father of experimental psychology, known for establishing the first psychology laboratory.
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