User blog comment:P進大好きbot/Analysis of 非想非非想 notation/@comment-36957202-20190801181858/@comment-35470197-20190801215935

I could not imagine. I expect that it goes beyond the countable collapse of the least weakly compact cardinal, but I am not certain. I would like to extend it to a notation which is easier to analyse by Rathjen's standard OCF.