Let be a continuous function which is 1-1 on any open set in . Prove that is 1-1 throughout the domain.

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- Jan 18th 2010, 05:26 AMChandru1Function 1-1 thorughout, if its 1-1 on an open set.
Let be a continuous function which is 1-1 on any open set in . Prove that is 1-1 throughout the domain.

- Jan 18th 2010, 06:28 AMtonio