The Prophet's approach to get to the meaning of the "two shahdahs"

Subject of the Research: The Prophet's  approach to get to the meaning of the "two shahdahs" Methodolgy of the Research: The approach towards the Research is both Inductive and descriptive.Main Topics of the Research: The Research is made  of an Introduction, a Preface, Theme of the research and Conclusion. Introduction: It contains Introductory words, Essentials of the Study, Research Plan and the Methodology followed in the Research.Preface: It contains definition of the "two Shahdahs".Theme: The Prophet's utmost effort to form an understanding of the "two Shahadahs".Conclusion: It contains important results which were being extracted out from the Study.