Short Elucidating Note 126:  Stating the Structural Falsification Theorem for Specific Paradigms of the Form K = L, Its Main Conceptual Applications and Its Extension of Popperian Logic and of Kuhnian Logic All in Compressed Form Using Set Theory and Sustainability Gap Theory? NJMRI 2026, 2 (3). https://doi.org/10.5281/zenodo.21877537.