TruthSift Answers Your Questions by rating Statements as Tentatively Established when they have a tentatively established proof for which all proposed refutations have been refuted., and Giving their demonstrations. You can not only see which statements have demonstrations, but trace backward in the Diagram to find the Demonstration, and to see how challenges have been refuted.
At a given time, the status may be recently changed by an incorrect challenge. The answer may be more reliable if there have been many views since the last status change. The history of topic-statement status changes and number of member-views per status is displayed by clicking the "Views" link on the home page.