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  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#1 2009-02-21 16:45:47

LuisRodg
Real Member
Registered: 2007-10-23
Posts: 322

Group order proof.

I have this exercise for homework and it was essentially trivial to prove which leads me to think I somehow did something wrong.

In my opinion, my proof seems valid, my only doubt is the fact that I dont ever use the fact that p is a prime number. It seems to hold for any positive number p. Can anyone shed some light? Thanks.

Last edited by LuisRodg (2009-02-21 16:51:00)

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#2 2009-02-22 00:54:23

JaneFairfax
Member
Registered: 2007-02-23
Posts: 6,868

Re: Group order proof.

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#3 2009-02-22 03:33:38

LuisRodg
Real Member
Registered: 2007-10-23
Posts: 322

Re: Group order proof.

Thanks a lot Jane for checking my proof!

smile

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