Numbers Equal Zero

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Theorem : All numbers are equal to zero.

Proof: Suppose that a=b. Then
a = b
a^2 = ab
a^2 – b^2 = ab – b^2
(a + b)(a – b) = b(a – b)
a + b = b
a = 0

Furthermore if a + b = b, and a = b, then b + b = b, and 2b = b, which mean that 2 = 1.

Submitted by vicky.

Three is equal to four

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Theorem: 3=4
Proof:

Suppose:
a + b = c

This can also be written as:
4a – 3a + 4b – 3b = 4c – 3c

After reorganizing:
4a + 4b – 4c = 3a + 3b – 3c

Take the constants out of the brackets:
4 * (a+b-c) = 3 * (a+b-c)

Remove the same term left and right:
4 = 3

Submitted by vicky.

Dollars equal cents

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Theorem: 1$ = 1c.
Proof:
And another that gives you a sense of money disappearing.

1$ = 100c
= (10c)^2
= (0.1$)^2
= 0.01$
= 1c

Here $ means dollars and c means cents. This one is scary in that I have seen PhD’s in math who were unable to see what was wrong with this one. Actually I am crossposting this to sci.physics because I think that the latter makes a very nice introduction to the importance of keeping track of your dimensions.

Submitted by vicky.

Dollars Equal Ten Cents

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Theorem: 1$ = 10 cent
Proof:
We know that $1 = 100 cents
Divide both sides by 100
$ 1/100 = 100/100 cents
=> $ 1/100 = 1 cent
Take square root both side
=> squr($1/100) = squr (1 cent)
=> $ 1/10 = 1 cent
Multiply both side by 10
=> $1 = 10 cent

Submitted by vicky.

The Tactful Sergeant.

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The Captain called the Sergeant in. “Sarge, I just got a telegram that Private Jones’ mother died yesterday. Better go tell him and send him in to see me.”

So the Sergeant calls for his morning formation and lines up all the troops. “Listen up, men,” says the Sergeant. “Johnson, report to the mess hall for KP. Smith, report to Personnel to sign some papers. The rest of you men report to the Motor Pool for maintenance. Oh by the way, Jones, your mother died, report to the commander.”

Later that day the Captain called the Sergeant into his office. “Hey, Sarge, that was a pretty cold way to inform Jones his mother died. Couldn’t you be a bit more tactful, next time?”

“Yes, sir,” answered the Sarge.

A few months later, the Captain called the Sergeant in again with, “Sarge, I just got a telegram that Private McGrath’s mother died. You’d better go tell him and send him in to see me. This time be more tactful.”

So the Sergeant calls for his morning formation. “Ok, men, fall in and listen up. Everybody with a mother, take two steps forward. NOT SO FAST, McGrath!”

Submitted by vicky.

The General and the shredder

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A young officer is working late at the Pentagon one evening. As he comes out of his office about 8 P.M. he sees the General standing by the classified document shredder in the hallway, a piece of paper in his hand.

“Do you know how to work this thing?” the General asks. “My secretary’s gone home and I don’t know how to run it.”

“Yes, sir,” says the young officer, who turns on the machine, takes the paper from the General, and feeds it in.

“Now,” says the General, “I just need one copy…”

Submitted by vicky.

The General In Training

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There was this General-in-training, and his superiors were asking him questions
“What happened on June 6, 1944?”
“We stormed the beach at Normandy, which later became known as D-Day, sir!”
“What was the turning point of world war 2?”
“Battle of the bulge, sir!”
“What’s is the importance of May 12″ The Man thought and thought “I don’t know, sir!”
The superior then said “Well, I’ll tell your wife that you forgot her birthday”

Submitted by vicky.

Free haircuts

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A barber gave a haircut to a priest one day. The priest tried to pay for the haircut, but the barber refused, saying, “you do God’s work.” The next morning the barber found a dozen bibles at the door to his shop.

A policeman came to the barber for a haircut, and again the barber refused to pay, saying, “you protect the public.” The next morning the barber found a dozen doughnuts at the door to his shop.

A lawyer came to the barber for a haircut, and again the barber refused payment, saying, “you serve the justice system.” The next morning the barber found a dozen lawyers waiting for a free haircut.

Submitted by vicky.

Are you talking to me?

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At the height of a political corruption trial, the prosecuting attorney attacked a witness. “Isn’t it true,” he bellowed, “that you accepted five thousand dollars to compromise this case?”

The witness stared out the window, as though he hadn’t heard the question.

“Isn’t it true that you accepted five thousand dollars to compromise this case?” the lawyer repeated.

The witness still did not respond.

Finally, the judge leaned over and said, “Sir, please answer the question.”

“Oh,” the startled witness said, “I thought he was talking to you.”

Submitted by vicky.

Lawyers On Flight

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An airliner was having engine trouble, and the pilot instructed the cabin crew to have the passengers take their seats and get prepared for an emergency landing.

A few minutes later, the pilot asked the flight attendants if everyone was buckled in and ready.

“All set back here, Captain,” came the reply, “except the lawyers are still going around passing out business cards.”

Submitted by vicky.

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