it just works. no special machinery needed. the boolean operators distribute over derivatives the same way union does. derivatives are such a powerful and interesting tool that i will dedicate a separate post to them, but the main point is that they give us a simple and uniform way to handle all regular language features, including intersection and complement.
Москалькова заявила о новых условиях Киева для возвращения россиян с территории Украины14:51
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改革为创新赋能，优化科技成果转化生态——
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We’ve already had a chance to go hands-on with the MacBook Neo. Engadget senior editor Devindra Hardawar had generally positive first impressions of the laptop, but felt that the keyboard and touchpad didn’t feel quite as sturdy as those on Apple’s higher-end systems.