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I can't understand this proof: =/
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Sorry Turing, I still don't get it.
Hero
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Level of difficulty increased when put in espanol
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I'm writting the traslation Hero. wait.
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Let P a poin outside the line XY; PO a line perpendicular from P to XY, and PZ another line drawn from P to XY. Prove that PZ is not perpendicular to XY.
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TuringTest already helped me to prove it(He did it actually) but the thing is that I can't understand the proof that is given in the book.
TuringTest
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what is "recto" ?
TuringTest
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when it says "son rectos"
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recto = 90 degrees
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that's what I thought
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I don't get the line before the last one.
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Ohh I think I get it =)!
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The number 34 says. un angulo recto es la mitad de un angulo de lados colineales.
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It was proved that the angle P'ZP has not colineal sides. and then proved that angle OZP is half angle P'ZP.
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It proved that OZP is half of an angle that is not a 90º angle.
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I think I understand now but I'm still incapable of doing that kind of proofs by myself. =/
TuringTest
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It seems so excessive.
I couldn't do the proof myself like this, you saw my way.
I'm not so sure I care to do proofs like this frankly :P
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What do you mean by excesive?
TuringTest
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too much
more work than is necessary/needed
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Do you think I should study from another book instead?
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depends what you want to learn I guess
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Well I want to learn geometry and learn how to make proofs.
TuringTest
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then I guess this is the kind of stuff you should be learning
I'm not that rigorous myself
good for you though ;)
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Well thank you then =). I hope to have learn by the end of this year. If everything goes right.
amistre64
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one problem i see is that it is sideways
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I'm sorry amistre64. =/
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I couldn't fix that quickly
amistre64
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i think this is a rendition of euclids elements
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a rendition?
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what is that?
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Actually I wanted to study Ecuclid's elements. But I started doing this book before. So I don't want to start again.
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Wooww thank you amistre64!
amistre64
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de nada