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> Paradoxes...

Stefan_chemist
post Dec 7 2007, 06:47 PM
Post #1





Group: Članovi
Joined: 3-September 07
From: Pančevo
Member No.: 631
Status: Van MGa
Škola/Razred: Pančevačka gimnazija



Evo jedan koji se meni posebno svidja...

Pretpostavimo da je a = b.

Onda je a ^ 2 = ab

Ako dodamo -b^2 obema stranama dobijamo

a^2 - b^2 = ab - b^2

Rastavljanjem na cinioce...

( a + b ) (a - b ) = b ( a - b )

Delimo obe strane sa ( a - b )

a+b=b.

Takodje iz toga sledi da je bilo koje a = 0.

Ima jedna greska u svemu ovome koja objasnjava...

This post has been edited by Stefan_chemist: Dec 7 2007, 06:48 PM


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Nostradamus
post Dec 11 2007, 03:25 PM
Post #2





Group: Članovi
Joined: 5-November 07
From: Bg
Member No.: 747
Status: Bivši učenik MGa



Pa nisam se ni ja mnogo upustao, imam to u nekoj knjizi koju nikako da odstampam a ne mogu da citam sa kompa. Ali ja to vidim ovako nekako, u svakoj matematickoj disciplini se polazi od aksioma, koje su tvrdjenja cija se tacnost uzima po dogovoru, i matematicke logike uz pomoc koje se izvode sva dalja tvrdjenja (iz aksioma). E sad Gedelove teoreme se izvode u logici, i one kazu da postoje tvrdjenja koja nemaju dokaz (manje vise), tj. nisu posledice nijedne aksiome.

Za ovo sto si rekao mislim, da ti je to otprilike isto kao i ono sa berberinom, tj takav skup ne postoji...

Jedino u sta sam siguran je da je posledica gedelovih teorema pitanje da li ima skupova sa kardinalnoscu izmedju skupova N i R, tj. da se ovo tvrdjenje ne moze ni dokazati ni oboriti, i to je dokazano..

This post has been edited by Nostradamus: Dec 11 2007, 03:27 PM


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 (a,b) \sim (c,d) \Leftrightarrow (a - c) \in \mathbb{Z}  \wedge  (b - d) \in \mathbb{Z}

\mathbb{T}^2\equiv\mathbb{R}^2/\sim
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Posts in this topic
Stefan_chemist   Paradoxes...   Dec 7 2007, 06:47 PM
Slovenatz   RE: Paradoxes...   Dec 7 2007, 06:50 PM
pyost   RE: Paradoxes...   Dec 7 2007, 06:50 PM
Stefan_chemist   RE: Paradoxes...   Dec 7 2007, 06:50 PM
Hannibal Lecter   RE: Paradoxes...   Dec 7 2007, 06:56 PM
Stefan_chemist   RE: Paradoxes...   Dec 7 2007, 06:58 PM
RZA   RE: Paradoxes...   Dec 7 2007, 06:59 PM
Slovenatz   RE: Paradoxes...   Dec 7 2007, 07:06 PM
Stefan_chemist   RE: Paradoxes...   Dec 7 2007, 07:09 PM
username   RE: Paradoxes...   Dec 7 2007, 07:54 PM
Hannibal Lecter   RE: Paradoxes...   Dec 7 2007, 11:58 PM
milija   RE: Paradoxes...   Dec 8 2007, 12:44 AM
Hannibal Lecter   RE: Paradoxes...   Dec 8 2007, 01:53 AM
Nostradamus   RE: Paradoxes...   Dec 8 2007, 02:00 AM
Stefan_chemist   RE: Paradoxes...   Dec 8 2007, 12:24 PM
milija   RE: Paradoxes...   Dec 8 2007, 01:03 PM
Nostradamus   RE: Paradoxes...   Dec 8 2007, 01:10 PM
Kuzman   RE: Paradoxes...   Dec 10 2007, 04:13 PM
Nostradamus   RE: Paradoxes...   Dec 10 2007, 04:26 PM
milija   RE: Paradoxes...   Dec 11 2007, 02:24 AM
Nostradamus   RE: Paradoxes...   Dec 11 2007, 03:25 PM
username   RE: Paradoxes...   Dec 11 2007, 03:28 PM
Nostradamus   RE: Paradoxes...   Dec 11 2007, 03:39 PM
username   RE: Paradoxes...   Dec 11 2007, 03:47 PM
Nostradamus   RE: Paradoxes...   Dec 11 2007, 04:44 PM
pyost   RE: Paradoxes...   Dec 11 2007, 06:21 PM
Nostradamus   RE: Paradoxes...   Dec 11 2007, 09:56 PM
username   RE: Paradoxes...   Dec 12 2007, 03:35 PM
Nostradamus   RE: Paradoxes...   Dec 12 2007, 04:00 PM
username   RE: Paradoxes...   Dec 12 2007, 04:06 PM
Nostradamus   RE: Paradoxes...   Dec 12 2007, 04:32 PM
username   RE: Paradoxes...   Dec 12 2007, 04:35 PM
Stefan_chemist   RE: Paradoxes...   Dec 23 2007, 09:12 PM


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