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On Triadic Combinations of Fifteen Symbols*

Published online by Cambridge University Press:  18 August 2016

W. S. B. Woolhouse
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Extract

In the Diary for 1850 the following; mathematical query was proposed by the Rev. T. P. Kirkman, of Croft, near Warrington:—

“Fifteen young ladies in a school walk out three abreast for seven days in succession: it is required to arrange them daily, so that no two shall walk twice abreast.”

Two answers were printed in the Diary for 1851; one by the proposer and another by Messrs. Samuel Bills, of Hawton; Thomas Jones, of Chester; Thomas Wainman, of Burley; and W. H. Levy, of Shalborne.

Type
Research Article
Information
Journal of the Institute of Actuaries , Volume 10 , Issue 5 , October 1862 , pp. 275 - 281
Copyright
Copyright © Institute and Faculty of Actuaries 1863

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References

* We reprint this as the work of a gentleman eminent for his actuarial attainments.—ED. A. M.