theorem Th25: :: AOFA_A00:30
for a1, a2, a3, a4, a5, a6, a7, a8, a9, a10 being object holds
( dom (<*a1,a2,a3,a4,a5,a6,a7,a8*> ^ <*a9,a10*>) = Seg 10 & (<*a1,a2,a3,a4,a5,a6,a7,a8*> ^ <*a9,a10*>) . 1 = a1 & (<*a1,a2,a3,a4,a5,a6,a7,a8*> ^ <*a9,a10*>) . 2 = a2 & (<*a1,a2,a3,a4,a5,a6,a7,a8*> ^ <*a9,a10*>) . 3 = a3 & (<*a1,a2,a3,a4,a5,a6,a7,a8*> ^ <*a9,a10*>) . 4 = a4 & (<*a1,a2,a3,a4,a5,a6,a7,a8*> ^ <*a9,a10*>) . 5 = a5 & (<*a1,a2,a3,a4,a5,a6,a7,a8*> ^ <*a9,a10*>) . 6 = a6 & (<*a1,a2,a3,a4,a5,a6,a7,a8*> ^ <*a9,a10*>) . 7 = a7 & (<*a1,a2,a3,a4,a5,a6,a7,a8*> ^ <*a9,a10*>) . 8 = a8 & (<*a1,a2,a3,a4,a5,a6,a7,a8*> ^ <*a9,a10*>) . 9 = a9 & (<*a1,a2,a3,a4,a5,a6,a7,a8*> ^ <*a9,a10*>) . 10 = a10 )