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  2. Tetration - Wikipedia

    en.wikipedia.org/wiki/Tetration

    Under the definition as repeated exponentiation, means , where n copies of a ... 'Descend down the tower' in turn, with the new value for c on the next downward step.

  3. Tower of fields - Wikipedia

    en.wikipedia.org/wiki/Tower_of_fields

    (i.e. F n is obtained from F n-1 by adjoining a 2 n th root of 2), is an infinite tower. If p is a prime number the p th cyclotomic tower of Q is obtained by letting F 0 = Q and F n be the field obtained by adjoining to Q the p n th roots of unity. This tower is of fundamental importance in Iwasawa theory.

  4. Block-stacking problem - Wikipedia

    en.wikipedia.org/wiki/Block-stacking_problem

    The first nine blocks in the solution to the single-wide block-stacking problem with the overhangs indicated. In statics, the block-stacking problem (sometimes known as The Leaning Tower of Lire (Johnson 1955), also the book-stacking problem, or a number of other similar terms) is a puzzle concerning the stacking of blocks at the edge of a table.

  5. Glossary of set theory - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_set_theory

    The tower number T A tree tall cardinal A tall cardinal is a type of large cardinal that is the critical point of a certain sort of elementary embedding Tarski 1. Alfred Tarski 2. Tarski's theorem states that the axiom of choice is equivalent to the existence of a bijection from X to X×X for all infinite sets X TC The transitive closure of a set

  6. Tower - Wikipedia

    en.wikipedia.org/wiki/Tower

    A tower is a tall structure, taller ... The term "tower" is also sometimes used to refer to firefighting equipment with an extremely tall ladder designed for use in ...

  7. Glossary of mathematical jargon - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    The language of mathematics has a wide vocabulary of specialist and technical terms. It also has a certain amount of jargon: commonly used phrases which are part of the culture of mathematics, rather than of the subject.

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  9. Law of total expectation - Wikipedia

    en.wikipedia.org/wiki/Law_of_total_expectation

    The proposition in probability theory known as the law of total expectation, [1] the law of iterated expectations [2] (LIE), Adam's law, [3] the tower rule, [4] and the smoothing theorem, [5] among other names, states that if is a random variable whose expected value ⁡ is defined, and is any random variable on the same probability space, then