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Description
f from x to y is continous function iff f inverse C is Closed set in X for an Closed set C in Y pdf
f from x to y is continous function iff f inverse C is Closed set in X for an Closed set C in Y handwritten notes
X and Y are metric spaces, f from x to y is continous function iff f inverse v is closed set in X for an Closed set v in Y.