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Proof by contradiction theorem

  • 23-05-2012 09:23PM
    #1
    sheeba7
    Registered Users, Registered Users 2 Posts: 64 ✭✭


    Could somebody please post the entire proof by contradiction theorem , project maths question 6A.:rolleyes:


Comments

  • #2
    Canard
    Registered Users, Registered Users 2 Posts: 8,572 ✭✭✭Canard


    Theres one in the back of the Edco exam papers, but I dont understand it.

    http://www.youtube.com/watch?v=jCZnEdqeDtw I like this one though, its pretty snazzy :)


  • #3
    FaoiSin
    Registered Users, Registered Users 2 Posts: 789 ✭✭✭FaoiSin


    Patchy~ wrote: »
    Theres one in the back of the Edco exam papers, but I dont understand it.

    http://www.youtube.com/watch?v=jCZnEdqeDtw I like this one though, its pretty snazzy :)

    O.O


  • #4
    Canard
    Registered Users, Registered Users 2 Posts: 8,572 ✭✭✭Canard


    I dont get the theorems used, but hey, no one said we had to explain those too :cool:


  • #5
    Neodymium
    Registered Users, Registered Users 2 Posts: 179 ✭✭Neodymium


    Proof by contradicion that the square root of 2 is an irrational number is not explained very well at the back of the edco exam papers. I've attached the method which I use below, hope it helps.


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