Início > Matemática > Métodos de fazer provas matemáticas

Métodos de fazer provas matemáticas

Old but gold :)

  • 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 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 illegibility
    (scribble, scribble) QED
  • Proof by logic
    “If it is on the problem sheet, then 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 reduces 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 just have this gut feeling. . .”

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