Xn is a Cauchy Sequence Xn converges to x iff Yn converges to x. Popular Videos Supremum & Infimum | Subset | Properties | Real Analysis | glb | lub | upper/lower bound February 2, 2021 Supremum & Infimum are unique | Property | Real Analysis | glb | lub | upper/lower bound February 2, 2021 Convergent Sequence in R^k February 4, 2021 f from x to y is continous at c iff f inverse v is open set in X for an open set v in Y | Theorem | Continuity of function March 6, 2021 Description Xn is a Cauchy Sequence and Yn is any other Sequence Xn converges to x iff Yn converges to x. View Fullscreen Posted by Cheena Banga | Feb 18, 2021 | Real Analysis, Sequences in metric space | 0 |