There are no inconsistencies in the Discworld books; ocassionally, however, there are alternate pasts.
Terry PratchettWell, yes, but it's not about the football." "You're saying that football is not about football?" "It's the sharing," she said. "It's being part of the crowd. It's chanting together. It's all of it. the whole thing.
Terry PratchettAnd then Jack chopped down what was the world's last beanstalk, adding murder and ecological terrorism to the theft, enticement, and trespass charges already mentioned, and all the giant's children didn't have a daddy anymore. But he got away with it and lived happily ever after, without so much as a guilty twinge about what he had done...which proves that you can be excused for just about anything if you are a hero, because no one asks inconvenient questions.
Terry Pratchett