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Sorry Turing, I still don't get it.
Level of difficulty increased when put in espanol
I'm writting the traslation Hero. wait.
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.
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.
what is "recto" ?
when it says "son rectos"
recto = 90 degrees
that's what I thought
I don't get the line before the last one.
Ohh I think I get it =)!
The number 34 says. un angulo recto es la mitad de un angulo de lados colineales.
It was proved that the angle P'ZP has not colineal sides. and then proved that angle OZP is half angle P'ZP.
It proved that OZP is half of an angle that is not a 90º angle.
I think I understand now but I'm still incapable of doing that kind of proofs by myself. =/
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
What do you mean by excesive?
too much more work than is necessary/needed
Do you think I should study from another book instead?
depends what you want to learn I guess
Well I want to learn geometry and learn how to make proofs.
then I guess this is the kind of stuff you should be learning I'm not that rigorous myself good for you though ;)
Well thank you then =). I hope to have learn by the end of this year. If everything goes right.
one problem i see is that it is sideways
I'm sorry amistre64. =/
I couldn't fix that quickly
i think this is a rendition of euclids elements
what is that?
Actually I wanted to study Ecuclid's elements. But I started doing this book before. So I don't want to start again.
http://aleph0.clarku.edu/~djoyce/java/elements/bookI/propI12.html they might give you some insight into it tho
Wooww thank you amistre64!