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This article is within the scope of WikiProject Physics, a collaborative effort to improve the coverage of Physics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.PhysicsWikipedia:WikiProject PhysicsTemplate:WikiProject Physicsphysics
I think perhaps it would be best to start off slow and then go crazy with constraints. But I don't understand why first class and second class constraints are different articles? Perhaps that's just stylistic choice, but I would have made them one article. At any rate, I'll try fixing this in my spare time... pqnelson