{"id":"SYN-016","name":"Keep correlative pairs balanced","domain":"syntax","layer":"sentence","strength":"hard_constraint","human_logic":"IF BOTH/AND, EITHER/OR, NEITHER/NOR, or NOT ONLY/BUT ALSO joins items, THEN place each half before parallel units ELSE retain.","when":{"path":"coordination.correlative_pair","operator":"exists","value":true},"then":[{"action":"align","target":"coordination.correlative_positions","require":"parallel_constituent_boundaries"}],"else":[{"action":"retain","target":"current_text","reason":"No triggering condition is present."}],"unless":[],"because":"Balanced correlatives show exactly which units are alternatives or additions.","diagnostics":[],"examples":{},"source_ids":["BK-002","BK-007"],"laka":{"smallest_sufficient_intervention":true,"primary_axes":["scope","depth","magnitude","reversibility"]},"requires_facts":["coordination.correlative_pair"],"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-007","title":"The Copyeditor's Handbook","creator":"Amy Einsohn; Marilyn Schwartz","domain":"copyediting","type":"Book","note":"Professional copyediting practice, grammar, and editorial process.","url":null}],"defined_in":{"file":"09-syntax-and-sentence-rules.json","title":"Syntax and Sentence Construction Rules","slug":"syntax-and-sentence-rules"}}