Within this context, what is the definition of "permissively licensed"? More to the point, are the terms of licenses of the code in the training set being hono

Within this context, what is the definition of "permissively licensed"? More to the point, are the terms of licenses of the code in the training set being honored? There's not actually anything in GPL or any other major FOSS license that prohibits using it to train an AI. The controversy stems from Microsoft refusing to follow the terms of those licenses. If they could just fulfill their obligation to propagate copyright statements and license text there would be no controversy over copilot. Thus stating that it was trained only on "permissive" licenses doesn't actually answer the question without defining what a permissive license is.