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36 Methods of Mathematical Proof

Blogs > Infinity.SkyLark
Post a Reply
SilverSkyLark
Profile Blog Joined April 2008
Philippines8437 Posts
Last Edited: 2009-04-09 08:19:38
April 09 2009 08:18 GMT
#1
It's not as good as Math v 2.1.2 but it gave me some good laughs.
Note: I omitted two because they were images, too lazy to put them here properly.

36 Methods of Mathematical Proof

If the proof of a theorem is not immediately apparent, it may be because you are trying the wrong approach. Below are some effective methods of proof that might aim you in the right direction.

# Proof by obviousness: "The proof is so clear that it need not be mentioned."
# Proof by general agreement: "All in favor?..."
# Proof by imagination: "Well, we'll pretend it's true..."
# Proof by convenience: "It would be very nice if it were true, so..."
# Proof by necessity: "It had better be true, or the entire structure of mathematics would crumble to the ground."
# Proof by plausibility: "It sounds good, so it must be true."
# Proof by intimidation: "Don't be stupid; of course it's true!"
# Proof by lack of sufficient time: "Because of the time constraint, I'll leave the proof to you."
# Proof by postponement: "The proof for this is long and arduous, so it is given to you in the appendix."
# Proof by accident: "Hey, what have we here?!"
# Proof by insignificance: "Who really cares anyway?"
# Proof by profanity: (example omitted)
# Proof by definition: "We define it to be true."
# Proof by tautology: "It's true because it's true."
# Proof by plagiarism: "As we see on page 289,..."
# Proof by lost reference: "I know I saw it somewhere...."
# Proof by calculus: "This proof requires calculus, so we'll skip it."
# Proof by terror: When intimidation fails...
# Proof by lack of interest: "Does anyone really want to see this?"
# Proof by logic: "If it is on the problem sheet, it must be true!"
# Proof by majority rule: Only to be used if general agreement is impossible.
# Proof by clever variable choice: "Let A be the number such that this proof works..."
# Proof by tessellation: "This proof is the same as the last."
# Proof by divine word: "...And the Lord said, 'Let it be true,' and it was true."
# Proof by stubbornness: "I don't care what you say- it is true."
# Proof by simplification: "This proof reduced to the statement 1 + 1 = 2."
# Proof by hasty generalization: "Well, it works for 17, so it works for all reals."
# Proof by deception: "Now everyone turn their backs..."
# Proof by supplication: "Oh please, let it be true."
# Proof by poor analogy: "Well, it's just like..."
# Proof by avoidance: Limit of proof by postponement as it approaches infinity
# Proof by design: If it's not true in today's math, invent a new system in which it is.
# Proof by authority: "Well, Don Knuth says it's true, so it must be!"
# Proof by intuition: "I have this gut feeling."

****
"If i lost an arm, I would play w3." -IntoTheWow || "Member of Hyuk Hyuk Hyuk cafe. He's the next Jaedong, baby!"
AcrossFiveJulys
Profile Blog Joined September 2005
United States3612 Posts
April 09 2009 08:25 GMT
#2
whoa at first i read the thread title as "36 methods of masturbation proof" and was like whoaaaa

+ Show Spoiler +
vaseline between the matress and boxspring is my favorite


these always piss me off when im reading textbooks or in lecture lol:

# Proof by postponement: "The proof for this is long and arduous, so it is given to you in the appendix."
# Proof by insignificance: "Who really cares anyway?"
# Proof by calculus: "This proof requires calculus, so we'll skip it."
# Proof by lack of interest: "Does anyone really want to see this?"
fight_or_flight
Profile Blog Joined June 2007
United States3988 Posts
April 09 2009 08:35 GMT
#3
These are great, better than the math v2.1.2.
Do you really want chat rooms?
Mista_Masta
Profile Joined January 2009
Netherlands557 Posts
April 09 2009 08:36 GMT
#4
LOL! :D Some of these are quite commonly used, both in textbooks and during lectures.
ReCharge
Profile Blog Joined January 2009
Philippines505 Posts
April 09 2009 09:59 GMT
#5
Lol
David Kim for Bonjwa!
Bockit
Profile Blog Joined November 2004
Sydney2287 Posts
April 09 2009 10:50 GMT
#6
# Proof by clever variable choice: "Let A be the number such that this proof works..."

I like this.
Their are four errors in this sentance.
Purind
Profile Blog Joined April 2004
Canada3562 Posts
April 09 2009 12:58 GMT
#7
On April 09 2009 17:36 Mista_Masta wrote:
LOL! :D Some of these are quite commonly used, both in textbooks and during lectures.


Yeah, hehe, first thing I thought while reading these were that they're lecturer's best friend

Proof by obviousness, lack of sufficient time, plagiarism and tesselation are some of their favourites

I remember someone telling me that proof by calculus is a favourite in one of his economics classes
Trucy Wright is hot
stet_tcl
Profile Blog Joined May 2008
Greece319 Posts
April 09 2009 13:04 GMT
#8
Nice one!
This reminds me of the time I was in uni studying math, when we would always rip on physics students for using most of these to make stuff work the way they want them to..
Ancestral
Profile Blog Joined August 2007
United States3230 Posts
April 09 2009 13:10 GMT
#9
I like "we define it to be true" the most. I definitely see that one a lot, only really in stats though.
The Nature and purpose of the martial way are universal; all selfish desires must be roasted in the tempering fires of hard training. - Masutatsu Oyama
SilverSkyLark
Profile Blog Joined April 2008
Philippines8437 Posts
April 09 2009 13:37 GMT
#10
# Proof by imagination: "Well, we'll pretend it's true..."
# Proof by definition: "We define it to be true."

These two go together perfectly, and our calculus professor used them a lot, hahaha.
"If i lost an arm, I would play w3." -IntoTheWow || "Member of Hyuk Hyuk Hyuk cafe. He's the next Jaedong, baby!"
tarpman
Profile Joined February 2009
Canada718 Posts
April 17 2009 15:22 GMT
#11
Source.
Saving the world, one kilobyte at a time.
konadora *
Profile Blog Joined February 2009
Singapore66155 Posts
April 18 2009 16:29 GMT
#12
I need to use this for my maths papers rofl
POGGERS
zulu_nation8
Profile Blog Joined May 2005
China26351 Posts
April 18 2009 18:07 GMT
#13
hahaha
Klockan3
Profile Blog Joined July 2007
Sweden2866 Posts
April 18 2009 19:46 GMT
#14
Proof by iteration: "We have tried countless scenarios and all agrees"
Proof by reiteration: "If you say something seven times in a row it becomes true"
Proof by proof: "According to proof A and B, C is already proven"
Proof by google: "6 million hits can't be wrong"
Proof by wiki: "If it isn't true today at least it will be tomorrow"
Proof by ignorance: "Ignoring these facts this becomes obvious"
Proof by idiocy: "With the correct choice of logic everything can be proven"
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