{"schema_version":"ocme-site-results-v1","locale":"en","page_type":"derivations","facts":{"questions":36000,"reviewed":36000,"display_candidates":0,"knowledge":302,"guides":299,"paths":59,"batches":360,"families":1441,"atlas":302,"core":80,"evidence":9,"formal_evidence":5,"formal_subjects":4,"lean_files":6,"lean_toolchain":"leanprover/lean4:v4.30.0","question_state":"candidate","english_state":"ai_candidate","question_Lean":"NOT_RUN","canonical_truth_promotion":false},"filters":{"q":"mko-equivalence-relation"},"kind":"guides","total":1,"pages":1,"page":1,"entries":[{"id":"derivation-mko-equivalence-relation-01","title":{"zh-Hant":"等價關係：在完整有限關係表上逐項核對三公理並輸出等價類","en":"Equivalence relation: checking the three axioms on a complete finite relation and emitting the classes"},"summary":{"zh-Hant":"在 X={0,1,2,3,4} 上，關係 R 完整列出為 13 個有序對：(0,0)、(1,1)、(2,2)、(3,3)、(4,4)、(0,2)、(2,0)、(1,3)、(3,1)、(1,4)、(4,1)、(3,4)、(4,3)。逐項核對反身、對稱、傳遞，證明 R 是等價關係並輸出等價類；再說明去掉 (3,4)、(4,3) 後的 R′ 雖反身且對稱，卻不是等價關係。","en":"On X={0,1,2,3,4} the relation R is listed completely as 13 ordered pairs: (0,0), (1,1), (2,2), (3,3), (4,4), (0,2), (2,0), (1,3), (3,1), (1,4), (4,1), (3,4), (4,3). Check reflexivity, symmetry and transitivity item by item, prove that R is an equivalence relation and emit its classes; then show that R′, obtained by removing (3,4) and (4,3), is reflexive and symmetric but not an equivalence relation."},"mko_ids":["mko-equivalence-relation"]}],"title":"Concept derivation guides"}