Propositiones ad Acuendos Juvenes/Problems/20 - De Ericiis

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Propositiones ad Acuendos Juvenes by Alcuin of York: Problem $20$

De Ericiis
Hedgehogs
About a male and female hedgehog with two young,
having weight,
wanting to cross a river.

The Latin text appears to be defective, and the question does not lend itself to rational interpretation.

However, it appears to be another example of $19$: De Viro et Muliere Ponderantibus Plaustrum (A Very Heavy Man and Woman).


Solution

In order:

The two younglings cross the river.
One child returns with the boat.
One of the parents crosses.
The other child takes the boat back.
Both children cross the river again.
One child returns with the boat.
The other parent crosses.
The other child returns with the boat.
The two children cross the river one final time.


Sources

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