Researchers have developed a "scope grammar" to analyze the logical ambiguity in natural language rules, particularly concerning how connectives are bracketed. This grammar, a context-free grammar, maps derivation trees to logical readings of a connective skeleton. The study focuses on counting and enumerating these readings modulo logical equivalence, finding that the number of distinct readings is significantly less than the number of possible bracketings. The research identifies conditions for ambiguity and provides a method for counting distinct readings, with potential applications in autoformalization. AI
IMPACT Introduces a formal framework for understanding logical ambiguity in rules, potentially aiding AI systems in precise interpretation and autoformalization.
RANK_REASON Academic paper detailing a new formal grammar for analyzing logical ambiguity in natural language. [lever_c_demoted from research: ic=1 ai=1.0]
- alphaXiv
- arXiv
- Catalan number
- Hugging Face
- Natural-Language Rules
- OEIS A137842
- read-once normal form
- Schröder sequence
- Scope Grammar
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