Boolean searches is an example of propositional logicWhat feild of science it is related?

Which of these is most responsible for differences between the twentieth century to the twenty-first century?

Which best compares appointments and events in outlook 2010appointments have a subject man, and events do notappointments have a specific date or range of dates, and events do notappointments have a start and end time of day, and events do notappointments have a location option, and events do not

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