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Online Demonstration of Syntactic Reflection. Realizing an Argument about Syntax (Tarski).
by Regina Barzilay
2002-2003
Abstract
Eli has finished a formalization of the Tarski undefinability-of-truth result using his devices for reflecting syntax. He will review the informal proof, demonstrate on a running Nuprl system his formalization (most effectively exploiting color as a quotation marking device), and review the as-yet-unproved rules that were added to achieve it.