{"id":"palindrome-reversal-adapts-across-data-domains","text":"Palindrome detection implements the same core insight — reverse and compare — across three data domains, each adapting the reversal mechanism to its representation: string slice reversal creates a full copy (O(n) space), integer half-reversal compares digits without string conversion (O(1) space), and linked list in-place reversal reuses existing nodes (O(1) space via mutation).","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["palindrome-check-uses-slice-reversal","palindrome-num-half-reversal-technique","palindrome-ll-o1-space-via-mutation"],"outlist":[],"label":"Three palindrome variants share reversal-comparison but adapt it to their data domain"}],"dependents":[],"metadata":{"source_type":"derived","last_reviewed":"2026-06-07T22:02:22","review_result":"pass"},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"palindrome-reversal-adapts-across-data-domains","truth_value":"IN","reason":"SL justification valid","antecedents":["palindrome-check-uses-slice-reversal","palindrome-num-half-reversal-technique","palindrome-ll-o1-space-via-mutation"],"label":"Three palindrome variants share reversal-comparison but adapt it to their data domain"},{"node":"palindrome-check-uses-slice-reversal","truth_value":"IN","reason":"premise"},{"node":"palindrome-num-half-reversal-technique","truth_value":"IN","reason":"premise"},{"node":"palindrome-ll-o1-space-via-mutation","truth_value":"IN","reason":"premise"}]}}