let c be read-write Int-Location ; :: thesis: for aa, bb being Int-Location
for f being FinSeq-Location holds {aa,bb,c} c= UsedIntLoc (FinSeqMin f,aa,bb,c)
let aa, bb be Int-Location ; :: thesis: for f being FinSeq-Location holds {aa,bb,c} c= UsedIntLoc (FinSeqMin f,aa,bb,c)
let f be FinSeq-Location ; :: thesis: {aa,bb,c} c= UsedIntLoc (FinSeqMin f,aa,bb,c)
set a = aa;
set b = bb;
set aux1 = 1 -stRWNotIn {aa,bb,c};
set aux2 = 2 -ndRWNotIn {aa,bb,c};
set cv = 3 -rdRWNotIn {aa,bb,c};
set i0 = c := aa;
set i10 = (1 -stRWNotIn {aa,bb,c}) := f,(3 -rdRWNotIn {aa,bb,c});
set i11 = (2 -ndRWNotIn {aa,bb,c}) := f,c;
set I12 = if>0 (2 -ndRWNotIn {aa,bb,c}),(1 -stRWNotIn {aa,bb,c}),(Macro (c := (3 -rdRWNotIn {aa,bb,c}))),(Stop SCM+FSA );
set I1B = (((1 -stRWNotIn {aa,bb,c}) := f,(3 -rdRWNotIn {aa,bb,c})) ';' ((2 -ndRWNotIn {aa,bb,c}) := f,c)) ';' (if>0 (2 -ndRWNotIn {aa,bb,c}),(1 -stRWNotIn {aa,bb,c}),(Macro (c := (3 -rdRWNotIn {aa,bb,c}))),(Stop SCM+FSA ));
set I1 = for-up (3 -rdRWNotIn {aa,bb,c}),aa,bb,((((1 -stRWNotIn {aa,bb,c}) := f,(3 -rdRWNotIn {aa,bb,c})) ';' ((2 -ndRWNotIn {aa,bb,c}) := f,c)) ';' (if>0 (2 -ndRWNotIn {aa,bb,c}),(1 -stRWNotIn {aa,bb,c}),(Macro (c := (3 -rdRWNotIn {aa,bb,c}))),(Stop SCM+FSA )));
A1:
UsedIntLoc ((c := aa) ';' (for-up (3 -rdRWNotIn {aa,bb,c}),aa,bb,((((1 -stRWNotIn {aa,bb,c}) := f,(3 -rdRWNotIn {aa,bb,c})) ';' ((2 -ndRWNotIn {aa,bb,c}) := f,c)) ';' (if>0 (2 -ndRWNotIn {aa,bb,c}),(1 -stRWNotIn {aa,bb,c}),(Macro (c := (3 -rdRWNotIn {aa,bb,c}))),(Stop SCM+FSA ))))) = (UsedIntLoc (c := aa)) \/ (UsedIntLoc (for-up (3 -rdRWNotIn {aa,bb,c}),aa,bb,((((1 -stRWNotIn {aa,bb,c}) := f,(3 -rdRWNotIn {aa,bb,c})) ';' ((2 -ndRWNotIn {aa,bb,c}) := f,c)) ';' (if>0 (2 -ndRWNotIn {aa,bb,c}),(1 -stRWNotIn {aa,bb,c}),(Macro (c := (3 -rdRWNotIn {aa,bb,c}))),(Stop SCM+FSA )))))
by SF_MASTR:33;
A2:
UsedIntLoc (c := aa) = {c,aa}
by SF_MASTR:18;
A3:
{(3 -rdRWNotIn {aa,bb,c}),aa,bb} \/ (UsedIntLoc ((((1 -stRWNotIn {aa,bb,c}) := f,(3 -rdRWNotIn {aa,bb,c})) ';' ((2 -ndRWNotIn {aa,bb,c}) := f,c)) ';' (if>0 (2 -ndRWNotIn {aa,bb,c}),(1 -stRWNotIn {aa,bb,c}),(Macro (c := (3 -rdRWNotIn {aa,bb,c}))),(Stop SCM+FSA )))) c= UsedIntLoc (for-up (3 -rdRWNotIn {aa,bb,c}),aa,bb,((((1 -stRWNotIn {aa,bb,c}) := f,(3 -rdRWNotIn {aa,bb,c})) ';' ((2 -ndRWNotIn {aa,bb,c}) := f,c)) ';' (if>0 (2 -ndRWNotIn {aa,bb,c}),(1 -stRWNotIn {aa,bb,c}),(Macro (c := (3 -rdRWNotIn {aa,bb,c}))),(Stop SCM+FSA ))))
by Th28;
let x be set ; :: according to TARSKI:def 3 :: thesis: ( not x in {aa,bb,c} or x in UsedIntLoc (FinSeqMin f,aa,bb,c) )
assume A4:
x in {aa,bb,c}
; :: thesis: x in UsedIntLoc (FinSeqMin f,aa,bb,c)
per cases
( x = aa or x = bb or x = c )
by A4, ENUMSET1:def 1;
suppose
x = bb
;
:: thesis: x in UsedIntLoc (FinSeqMin f,aa,bb,c)then
x in {(3 -rdRWNotIn {aa,bb,c}),aa,bb}
by ENUMSET1:def 1;
then
x in {(3 -rdRWNotIn {aa,bb,c}),aa,bb} \/ (UsedIntLoc ((((1 -stRWNotIn {aa,bb,c}) := f,(3 -rdRWNotIn {aa,bb,c})) ';' ((2 -ndRWNotIn {aa,bb,c}) := f,c)) ';' (if>0 (2 -ndRWNotIn {aa,bb,c}),(1 -stRWNotIn {aa,bb,c}),(Macro (c := (3 -rdRWNotIn {aa,bb,c}))),(Stop SCM+FSA ))))
by XBOOLE_0:def 3;
hence
x in UsedIntLoc (FinSeqMin f,aa,bb,c)
by A1, A3, XBOOLE_0:def 3;
:: thesis: verum end;