Tower law

For finite extensions

K \subseteq L \subseteq M

,

[M : K] = [M : L] [L : K] .

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Past exam of the mathematics course of the University of Cambridge / 2005 / ii / Paper 1 / 18G / Solution
Past exam of the mathematics course of the University of Cambridge / 2007 / iii / Paper 28 / 4 / b / Solution
Past exam of the mathematics course of the University of Cambridge / 2007 / ii / Paper 1 / 18F / Solution
Past exam of the mathematics course of the University of Cambridge / 2008 / ii / Paper 3 / 18H / a / Solution
Past exam of the mathematics course of the University of Cambridge / 2010 / ii / Paper 2 / 18H / Solution
Past exam of the mathematics course of the University of Cambridge / 2019 / ii / Paper 1 / 18F / c / Solution
Past exam of the mathematics course of the University of Cambridge / 2022 / ii / Paper 4 / 18H / b / Solution
Past exam of the mathematics course of the University of Cambridge / 2026 / iii / Paper 166 / 2 / d / Solution

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