Loading collection data...
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.
Oh thank you, I have fixed it. Thank for your help.
It's seems that I can use
(z =? 1) = trueasz = 1inliain the Coq on my machine but not on Coq 8.12.Probably, your version of Coq is different from the Codewars version (Coq 8.12). Do not rely on automatic tactics too much: They are not robust.
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution