{"id":"GRM-014","name":"Case for coordinated pronouns","domain":"grammar","layer":"phrase","strength":"hard_constraint","human_logic":"IF a pronoun appears in coordination, THEN assign the case required by its syntactic role, tested without the other conjunct ELSE retain.","when":{"all":[{"path":"pronoun.in_coordination","operator":"eq","value":true},{"path":"coordination.syntactic_role","operator":"exists"}]},"then":[{"action":"align","target":"pronoun.case","value_from":"coordination.syntactic_role.case"}],"else":[{"action":"retain","target":"current_text","reason":"No triggering condition is present."}],"unless":[],"because":"Coordination does not change the case licensed by the pronoun’s grammatical role.","diagnostics":[],"examples":{},"source_ids":["BK-002","BK-003","BK-010"],"laka":{"smallest_sufficient_intervention":true,"primary_axes":["scope","depth","magnitude","reversibility"]},"requires_facts":["pronoun.in_coordination","coordination.syntactic_role"],"tests":[],"sources":[{"id":"BK-002","title":"The Blue Book of Grammar and Punctuation","creator":"Jane Straus; Lester Kaufman","domain":"grammar_reference","type":"Book","note":"Accessible grammar, punctuation, examples, and exercises.","url":null},{"id":"BK-003","title":"Garner's Modern English Usage","creator":"Bryan A. Garner","domain":"usage_reference","type":"Book","note":"Modern American usage and editorial judgment.","url":null},{"id":"BK-010","title":"Practical English Usage","creator":"Michael Swan","domain":"usage_reference","type":"Book","note":"Advanced grammar and usage reference for learners and teachers.","url":null}],"defined_in":{"file":"07-core-grammar-rules.json","title":"Core Grammar Rules","slug":"core-grammar-rules"}}