@Aditya_ we reached same expression.

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Let P(x) be the statement “x has a cell phone” and M(x,y) be the statement “x and y have texted over the cell phone,” where the domain for the variables x and y consists of all students in your class. Use quantifiers to express each of these statements. a) Everyone except one student in your class has a cell phone. b) Everyone in your class with a cell phone has texted over the cell phone with at least one other student in your class. c) Someone in your class has a cell phone but has not texted with anyone else in your class.