 Contiguity of probability measures (source code)

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= Contiguity of probability measures
{title2=$Q_n\triangleleft P_n$}

= Contiguity
{synonym}

A sequence $Q_n$ is contiguous with respect to $P_n$ if $P_n(A_n)\to0$ implies $Q_n(A_n)\to0$ for every measurable sequence of events. It transfers negligible-event assertions, including <consistency (statistics)>, between changing sampling laws. It need not imply small <total variation distance>.

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