Work

A simpler proof of Jensen's coding theorem

Year: 1992
Type: preprint
Abstract: We present a simplification of Jensen's proof of his Coding Theorem (even in the case where 0# exists). The proof avoids Jensen's split into cases according to whether or not 0# exists. In addition, the paper contains self-contained proofs of the necessary forms of Square and Diamond, based on an approach to fine structure using Jensen's $Σ^*$ theory.
Language: English
Open Access status: green
OpenAlex ID: W2952620712
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Related to: 19