proper merge of promises to avoid exponential blow-up in pathologic situations (e.g. lack of PThm wrapping);
proper merge of promises to avoid exponential blow-up in pathologic situations (e.g. lack of PThm wrapping);

MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle