let a, b be Int-Location ; :: thesis: MultBy a,b = [4,<*a,b*>]
ex A, B being Data-Location st
( a = A & b = B & MultBy a,b = MultBy A,B ) by SCMFSA_2:def 14;
hence MultBy a,b = [4,<*a,b*>] ; :: thesis: verum