# Lion and Man

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram CDF Player or other Wolfram Language products.

Requires a Wolfram Notebook System

Edit on desktop, mobile and cloud with any Wolfram Language product.

A man and a lion are inside a disk of radius 1 with center . Both have a top speed of 1. Can the man choose a strategy to avoid being captured by the lion?

[more]
Contributed by: Izidor Hafner (April 2014)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

To prove the construction is correct, it is necessary to show that the distance of to is less than 1 and that the length of is greater than 0.

References

[1] J. E. Littlewood, *A Mathematician's Miscellany* (Russian edition), Moscow: Nauka, 1973 pp. 141–143.

[2] V. Devide, *100 Elementary but Difficult Problems* (in Croatian), Belgrade: ZIUSRS, 1965 pp. 87–89.

## Permanent Citation