Deletion of Conglomerate (set theory)

Comment: Hilbert's program to place all of mathematics on a rigorous, axiomatic basis famously failed and so arguments of that sort are not -REASON|reasons to delete.  The concept is notable – see ''https://books.google.co.uk/books?id=J2o73MCliJUC&pg=PA155 The Conception of Conglomerate'', for example.  As for Mathoverflow and the Russian wikipedia, they not reliable sources and seem to be a source of canvassing
Stance: keep
Cited policy: Wikipedia:Deletion policy (WP:DEL)