How many mathematicians does it take to screw in a light bulb?

One. He gives it to six Californians, thereby reducing the problem to an earlier joke...

In earlier work, Wiener [1] has shown that one mathematician can change a light bulb.

If k mathematicians can change a light bulb, and if one more simply watches them do it, then k+1 mathematicians will have changed the light bulb.

Therefore, by induction, for all n in the positive integers, n mathematicians can change a light bulb.

Bibliography:

[1] Wiener, Matthew P., <11485@ucbvax>, Re: YALBJ, 1986
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What did the snail say when he got on the turtle's shell?

Weeeeeeeeeeeeeeeeeeeeeeeeeee
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Trump: "It's not a toupee,

I just found the Bush that Jeb lost."
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Did you know that you can cool yourself to -273.15 Degrees C

and still be 0k?
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What's the definition of perfect pitch?

When you toss a banjo in the garbage and it hits an accordion.

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How many database people does it take to change a light bulb?

Three: one to write the light bulb removal program, one to write the light bulb insertion program, and one to act as a light bulb administrator to make sure nobody else tries to change the light bulb at the same time.
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What kind of lights did Noah have on the ark?

Flood lights!
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What creature is smarter than a talking parrot?

A spelling bee!
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Why are there fences around a graveyard?

Because people are dying to get in!
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What is the difference between a locomotive engineer and a teacher?

One minds the train, one trains the mind.
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