Re: [isabelle] Isabelle Foundation & Certification

Dear All, 

As far as I know, the integration of Ondra's solution patch is in Makarius's TODO list. Before doing the integration, Makarius wanted to see a mathematical justification for why our solution is sound. 
Now such a justification is provided in our ITP paper^[*], in conjunction with Ondra's CPP paper^[**]  -- it is not formal, but quite rigorous. So I see no major impediment to adopting our solution. Of course, it would be great if this were given a higher priority.  

Just for the record, please also note that inconsistencies are not so infrequent in proof assistants: some of the prominent cases of such "incidents" are collected in our ITP paper, under the heading "Inconsistency Club."



All the best, 


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