reconsider m1 = m1, k1 = k1, mm = k2 as Element of SCM-Data-Loc \/ INT by Th10, XBOOLE_0:def 3;
take k2 ; :: thesis: ex f being FinSequence of SCM-Data-Loc \/ INT st
( f = x `2 & k2 = f /. 3 )
take f = <*m1,k1,mm*>; :: thesis: ( f = x `2 & k2 = f /. 3 )
thus f = x `2 by A1, MCART_1:7; :: thesis: k2 = f /. 3
thus k2 = f /. 3 by FINSEQ_4:27; :: thesis: verum