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				@Gallifrey
 Nope. Sandwitch theorem works only if inequality isnt strict.
 7<=7<=7 true
 7<7<7 false
 
 And i think it is only used in context of some series converging 🤔
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				@WIPocket
 So basicly, the solution group is empty and empty group is called null.(in mathematics empty group but in informatics we can say null right?)
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				@jayMcD
 Nope because 7 isn't smaller than 7 nor it is bigger than 7
 
 No idea if you are joking or not 🤔.
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				@Gallifrey lol I didn't know it was called sandwich theorem in English. In my country we call it the policemen theorem (true story) France of course
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				@Gallifrey ahah idk. I guess it's to picture when you get arrested and two cops surround/escort you.
 Math is fun lol.















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