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  2. Counterexamples in Probability and Statistics - Wikipedia

    en.wikipedia.org/wiki/Counterexamples_in...

    Counterexamples in Probability and Statistics is a mathematics book by Joseph P. Romano and Andrew F. Siegel. It began as Romano's senior thesis at Princeton University under Siegel's supervision, and was intended for use as a supplemental work to augment standard textbooks on statistics and probability theory.

  3. Models And Counter-Examples - Wikipedia

    en.wikipedia.org/wiki/Models_And_Counter-Examples

    Models And Counter-Examples (Mace) is a model finder. [1] Most automated theorem provers try to perform a proof by refutation on the clause normal form of the proof problem, by showing that the combination of axioms and negated conjecture can never be simultaneously true, i.e. does not have a model. A model finder such as Mace, on the other ...

  4. Counterexamples in Probability - Wikipedia

    en.wikipedia.org/wiki/Counterexamples_in_Probability

    Counterexamples in Probability is a mathematics book by Jordan M. Stoyanov. Intended to serve as a supplemental text for classes on probability theory and related topics, it covers cases where a mathematical proposition might seem to be true but actually turns out to be false.

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  6. Counterexample - Wikipedia

    en.wikipedia.org/wiki/Counterexample

    For example, suppose that after a while, the mathematician above settled on the new conjecture "All shapes that are rectangles and have four sides of equal length are squares". This conjecture has two parts to the hypothesis: the shape must be 'a rectangle' and must have 'four sides of equal length'.

  7. Approximate counting algorithm - Wikipedia

    en.wikipedia.org/wiki/Approximate_counting_algorithm

    For example, in base 2, the counter can estimate the count to be 1, 2, 4, 8, 16, 32, and all of the powers of two. The memory requirement is simply to hold the exponent. As an example, to increment from 4 to 8, a pseudo-random number would be generated such that the probability the counter is increased is 0.25. Otherwise, the counter remains at 4.

  8. Cantor function - Wikipedia

    en.wikipedia.org/wiki/Cantor_function

    For z = 1/3, the inverse of the function x = 2 C 1/3 (y) is the Cantor function. That is, y = y(x) is the Cantor function. In general, for any z < 1/2, C z (y) looks like the Cantor function turned on its side, with the width of the steps getting wider as z approaches zero.

  9. Counterexamples in Topology - Wikipedia

    en.wikipedia.org/wiki/Counterexamples_in_Topology

    Counterexamples in Topology (1970, 2nd ed. 1978) is a book on mathematics by topologists Lynn Steen and J. Arthur Seebach, Jr.. In the process of working on problems like the metrization problem, topologists (including Steen and Seebach) have defined a wide variety of topological properties.