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Can you find the false number in the series? Put your counting abilities to the test with this interactive challenge. Fun for all ages! 8
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{ x | x is a counting number less than 3 }= • { 1 , 2 , 3 } • { 0 , 1 , 2 } • { 1 , 2 } • { 0 , 1 , 2 , 3 }
Which ONE is false? • { } ϵ { 1 , 2 , 3 } • { } { 1 , 2 , 3 } • { 1 , 2 , 3 } { 1 , 2 , 3 } • { } ϵ{{ } , 2 , 3 }