A short proof of the Strong Normalization of Classical Natural Deduction with Disjunction
classification
🧮 math.LO
keywords
classicaldeductionnaturalnormalizationproofstrongarithmeticalconnectives
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We give a direct, purely arithmetical and elementary proof of the strong normalization of the cut-elimination procedure for full (i.e. in presence of all the usual connectives) classical natural deduction.
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