Preservation of equivalence of derivations under reduction of depth of formulas (Q1168318)
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scientific article; zbMATH DE number 3775520
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Preservation of equivalence of derivations under reduction of depth of formulas |
scientific article; zbMATH DE number 3775520 |
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Preservation of equivalence of derivations under reduction of depth of formulas (English)
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1982
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fragment of intuitionistic propositional calculus
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derivability
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equivalence of proofs
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invariance
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decreasing formula depth
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univalent functor
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free Cartesian closed category
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