{"id":"free-page-only-called-from-delete","text":"`PageManager.free_page` is only invoked by `BTree._delete` when removing an emptied leaf node; no other code path frees pages.","truth_value":"IN","source":"entries/2026/05/29/b-tree-storage-engine-btree-free_page.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"free-page-only-called-from-delete","truth_value":"IN","reason":"premise"}]}}