## Mechanising a proof of Craig's Interpolation Theorem for intuitionistic logic in nominal isabelleTools CHAPMAN, PETER, McKinna, James and Urban, Christian (2008) Full text not available from this repository. Official URL: http://dl.acm.org/citation.cfm?id=1428596 ## AbstractCraig's Interpolation Theorem is an important meta- theoretical result for several logics. Here we describe a formalisation of the result for first-order intuitionistic logic without function symbols or equality, with the intention of giving insight into how other such results in proof theory might be mechanically verified, notable cut-admissibility. We use the package Nominal Isabelle, which easily deals with the binding issues in the quantifier cases of the proof.
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