{"id":"two-pointer-convergence-pattern","text":"The walk-inward two-pointer technique (left pointer advances right, right pointer advances left, check convergence) recurs across mountain-array, palindrome, and sorted-array solutions.","truth_value":"IN","source":"entries/2026/06/06/valid-mountain-array-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"two-pointer-convergence-pattern","truth_value":"IN","reason":"premise"}]}}