Revision history of "(a,b,a) is a permutation of (a,a,b)" (Z12746)

ᡳᠯᡤᠠᠪᡠᠨ ᠰᠣᠨᠵᠣᡥᠣᠨ᠄ ᠪᡠᡳᠪᡠᠯᡝᡵᡝ ᡩᡠᡵᡠᠨ ᡳ ᡵᠠᡩᡳᠣ ᡴᡠᠸᠠᠩᠰᡝ ᠪᡝ ᠰᠣᠨᠵᠣᡥᠣ ᠮᠠᠩᡤᡳ ᡝᠨᡨᡝᡵ ᡝᡳᠴᡳ ᡝᠨᡨᡝᡵ ᡶᡝᠵᡝᡵᡤᡳ ᠪᡝ ᠠᠨᠠ᠈
ᠰᡠᡥᡝ ᡤᡳᠰᡠᠨ᠄ (ᠨᡝ) = ᡥᠠᠨᠴᡳᡴᡳ ᡩᡠᡵᡠᠨ ᠴᡳ ᡩᡠᡳᠪᡠᠯᡝᠮᠪᡳ᠈ (ᡝᠪᡳᠰᡳᡥᡝ) = ᠨᡝᠨᡝᡥᡝ ᡩᡠᡵᡠᠨ ᠴᡳ ᡩᡠᡳᠪᡠᠯᡝᠮᠪᡳ᠈ m = ᠠᠵᡳᡤᡝ ᡴᡡᠪᡠᠯᡳᠨ᠈