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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Nice one, and probably the best of all.
indeed... i feel a bit dumb now :p
What is the name of the math rule for this? Are there any books or online doc to learn about all this usefull knowledges? Thanks