I have filled the wiki under the title Derangements. Go check it out.

Suggestions and advices are welcome.

Here is my previous wiki triangles-orthocentres(updated)

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## Comments

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TopNewestthank you for the proof of it...I was looking for it since last year but failed to understand the proofs on the net....your proof was quite simpler .... thnx again

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Hello Gautam, I added some more to the first proof on the wiki page. Hope it helps. Cheers!

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Thanks! it is really good.

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Hi, I made some changes to your Derangements wiki, can you please check them out .

Edit * : And made some addidtions to your previous wiki, check that out too !!

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Thanks for the changes and i have added some boxes like definition ,theorem etc in orthocentres.

Thanks again.

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Looks Nice \(\ddot\smile\)

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