>1) There is no such thing as half a hole.
>
>OR
>
>2) Since half a hole is what exists before a whole hole then half a hole is no hole at all.
>
>Either way it can be done in no time at all, just like those 'easy' mods we tell our clients about when we dig ourselves into a hole. (sorry)
>
>>Didn't want to add to the existing thread, and besides, this one requires a somewhat different logic. Experienced members of UT (who may have seen this few years ago) please wait a day or two before letting on the solution.
>>
>>If two people dig a hole in two days, how long will it take four people to dig half a hole?

Right to the point, including the last sentence :)