X-Nico

3 unusual facts about Jack Silver


Jack Silver

He is also credited with inventing Silver Indiscernibles and generalizing the notion of a Kurepa tree (called Silver's Principle).

Silver proved the consistency of Chang's conjecture using the Silver collapse (which is a variation of the Levy collapse).

With the introduction of the so-called Silver machines he was able to give a fine structure free proof of Jensen's covering lemma.



see also