[FOM] name for an ordinal

Robert M. Solovay solovay at Math.Berkeley.EDU
Wed Mar 15 18:20:35 EST 2006


Usually, in your question [if I understand it correctly], a capital Delta 
is used.

 	--Bob Solovay

On Wed, 15 Mar 2006, Mark Lance wrote:

> Hey, I have a trivial question.  Is there a standardly accepted name
> or notation for the first non-delta^1,2 ordinal?
> Mark Lance
> Georgetown University
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