Abstract
In his own words, this historical note documents Robert Solovay’s argument in 2002 that a classical system BI with arithmetic comprehension and bar induction is equiconsistent, over primitive recursive arithmetic PRA, with Kleene’s formal system FIM for intuitionistic analysis plus Markov’s Principle.
Citation
Joan Rand Moschovakis. "Solovay’s Relative Consistency Proof for FIM and BI." Notre Dame J. Formal Logic 62 (4) 661 - 667, November 2021. https://doi.org/10.1215/00294527-2021-0034
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