与Lambda的叠加
Superposition with Lambdas
摘要:
我们设计了一个叠加演算的延伸多态高阶逻辑,包括匿名函数,但不包括布尔的子句片段。推理规则作用于$λ$-项的$βη$-等价类,并依赖于高阶统一来实现反驳完备性。我们在Zipperposition证明器中实现了微积分,并在TPTP和Isabelle基准测试中进行了评估。结果表明,叠加是一个合适的基础高阶推理。
英文摘要:
We designed a superposition calculus for a clausal fragment of extensional polymorphic higher-order logic that includes anonymous functions but excludes Booleans. The inference rules work on $βη$-equivalence classes of $λ$-terms and rely on higher-order unification to achieve refutational completeness. We implemented the calculus in the Zipperposition prover and evaluated it on TPTP and Isabelle benchmarks. The results suggest that superposition is a suitable basis for higher-order reasoning.
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