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Bolong Cao's web page
Research: library Econlib ERDB WSJ Teaching: blackboard Registrar ClassLists
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"In any axiomatic mathematical system there are propositions that cannot be proved or disproved within the axioms of the system. In particular the consistency of the axioms cannot be proved."
------- Incompleteness Theorems by Kurt Gödel
"I know you believe you understand what you think I said, but I am not sure you realize that what you heard is not what I meant."
------- Alan Greenspan