identity theorem
theorem that an analytic function is completely determined by its values on a countable subset that contains a converging sequence together with its limit
en-US/aɪˈdɛntɪti ˈθɪɹəm/
en-GB/aɪdɛntɪtiː ˈθɪəɹəm/
theorem that an analytic function is completely determined by its values on a countable subset that contains a converging sequence together with its limit