let a, b be Int-Location ; :: thesis: for l being Element of NAT holds not b >0_goto l destroys a
let l be Element of NAT ; :: thesis: not b >0_goto l destroys a

now

let e be Int-Location ; :: thesis: for f being FinSeq-Location holds
( a := e <> b >0_goto l & AddTo (a,e) <> b >0_goto l & SubFrom (a,e) <> b >0_goto l & MultBy (a,e) <> b >0_goto l & Divide (a,e) <> b >0_goto l & Divide (e,a) <> b >0_goto l & a := (f,e) <> b >0_goto l & a :=len f <> b >0_goto l )
let f be FinSeq-Location ; :: thesis: ( a := e <> b >0_goto l & AddTo (a,e) <> b >0_goto l & SubFrom (a,e) <> b >0_goto l & MultBy (a,e) <> b >0_goto l & Divide (a,e) <> b >0_goto l & Divide (e,a) <> b >0_goto l & a := (f,e) <> b >0_goto l & a :=len f <> b >0_goto l )
A1: InsCode (b >0_goto l) = 8 by SCMFSA_2:49;
hence a := e <> b >0_goto l by SCMFSA_2:42; :: thesis: ( AddTo (a,e) <> b >0_goto l & SubFrom (a,e) <> b >0_goto l & MultBy (a,e) <> b >0_goto l & Divide (a,e) <> b >0_goto l & Divide (e,a) <> b >0_goto l & a := (f,e) <> b >0_goto l & a :=len f <> b >0_goto l )
thus AddTo (a,e) <> b >0_goto l by A1, SCMFSA_2:43; :: thesis: ( SubFrom (a,e) <> b >0_goto l & MultBy (a,e) <> b >0_goto l & Divide (a,e) <> b >0_goto l & Divide (e,a) <> b >0_goto l & a := (f,e) <> b >0_goto l & a :=len f <> b >0_goto l )
thus SubFrom (a,e) <> b >0_goto l by A1, SCMFSA_2:44; :: thesis: ( MultBy (a,e) <> b >0_goto l & Divide (a,e) <> b >0_goto l & Divide (e,a) <> b >0_goto l & a := (f,e) <> b >0_goto l & a :=len f <> b >0_goto l )
thus MultBy (a,e) <> b >0_goto l by A1, SCMFSA_2:45; :: thesis: ( Divide (a,e) <> b >0_goto l & Divide (e,a) <> b >0_goto l & a := (f,e) <> b >0_goto l & a :=len f <> b >0_goto l )
thus ( Divide (a,e) <> b >0_goto l & Divide (e,a) <> b >0_goto l ) by A1, SCMFSA_2:46; :: thesis: ( a := (f,e) <> b >0_goto l & a :=len f <> b >0_goto l )
thus a := (f,e) <> b >0_goto l by A1, SCMFSA_2:50; :: thesis: a :=len f <> b >0_goto l
thus a :=len f <> b >0_goto l by A1, SCMFSA_2:52; :: thesis: verum

end;

hence not b >0_goto l destroys a by Def3; :: thesis: verum