3 ms·
There is a Wikipedia page: http://en.wikipedia.org/wiki/Systems_of_Logic_Based_on_Ordinals http://en.wikipedia.org/wiki/Systems_of_Logic_Based_on_Ordin...
by theoh 12y ago
There is a Wikipedia page:
http://en.wikipedia.org/wiki/Systems_of_Logic_Based_on_Ordinals http://en.wikipedia.org/wiki/Systems_of_Logic_Based_on_Ordin...