let sn be Real; :: thesis: ( - 1 < sn & sn < 1 implies ( sn -FanMorphE is Function of (TOP-REAL 2),(TOP-REAL 2) & rng (sn -FanMorphE ) = the carrier of (TOP-REAL 2) ) )
assume A1: ( - 1 < sn & sn < 1 ) ; :: thesis: ( sn -FanMorphE is Function of (TOP-REAL 2),(TOP-REAL 2) & rng (sn -FanMorphE ) = the carrier of (TOP-REAL 2) )
thus sn -FanMorphE is Function of (TOP-REAL 2),(TOP-REAL 2) ; :: thesis: rng (sn -FanMorphE ) = the carrier of (TOP-REAL 2)
for f being Function of (TOP-REAL 2),(TOP-REAL 2) st f = sn -FanMorphE holds
rng (sn -FanMorphE ) = the carrier of (TOP-REAL 2)
proof
let f be Function of (TOP-REAL 2),(TOP-REAL 2); :: thesis: ( f = sn -FanMorphE implies rng (sn -FanMorphE ) = the carrier of (TOP-REAL 2) )
assume A2: f = sn -FanMorphE ; :: thesis: rng (sn -FanMorphE ) = the carrier of (TOP-REAL 2)
A3: dom f = the carrier of (TOP-REAL 2) by FUNCT_2:def 1;
the carrier of (TOP-REAL 2) c= rng f
proof
let y be set ; :: according to TARSKI:def 3 :: thesis: ( not y in the carrier of (TOP-REAL 2) or y in rng f )
assume y in the carrier of (TOP-REAL 2) ; :: thesis: y in rng f
then reconsider p2 = y as Point of (TOP-REAL 2) ;
set q = p2;
now
per cases ( p2 `1 <= 0 or ( (p2 `2 ) / |.p2.| >= 0 & p2 `1 >= 0 & p2 <> 0. (TOP-REAL 2) ) or ( (p2 `2 ) / |.p2.| < 0 & p2 `1 >= 0 & p2 <> 0. (TOP-REAL 2) ) ) by JGRAPH_2:11;
suppose p2 `1 <= 0 ; :: thesis: ex x being set st
( x in dom (sn -FanMorphE ) & y = (sn -FanMorphE ) . x )

then ( p2 in dom (sn -FanMorphE ) & y = (sn -FanMorphE ) . p2 ) by A2, A3, Th89;
hence ex x being set st
( x in dom (sn -FanMorphE ) & y = (sn -FanMorphE ) . x ) ; :: thesis: verum
end;
suppose A4: ( (p2 `2 ) / |.p2.| >= 0 & p2 `1 >= 0 & p2 <> 0. (TOP-REAL 2) ) ; :: thesis: ex x being set st
( x in dom (sn -FanMorphE ) & y = (sn -FanMorphE ) . x )

set px = |[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|;
A5: ( |[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]| `1 = |.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 ))) & |[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]| `2 = |.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ) by EUCLID:56;
then A6: |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| ^2 = ((|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))) ^2 ) + ((|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn)) ^2 ) by JGRAPH_3:10
.= ((|.p2.| ^2 ) * ((sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 ))) ^2 )) + ((|.p2.| ^2 ) * (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )) ;
A7: |.p2.| <> 0 by A4, TOPRNS_1:25;
1 - sn >= 0 by A1, XREAL_1:151;
then A8: ((p2 `2 ) / |.p2.|) * (1 - sn) >= 0 by A4;
then A9: (((p2 `2 ) / |.p2.|) * (1 - sn)) + sn >= 0 + sn by XREAL_1:9;
A10: |.p2.| ^2 > 0 by A7, SQUARE_1:74;
- (- (1 + sn)) > 0 by A1, XREAL_1:150;
then - ((- 1) - sn) > 0 ;
then (- 1) - sn <= ((p2 `2 ) / |.p2.|) * (1 - sn) by A8;
then A11: ((- 1) - sn) + sn <= (((p2 `2 ) / |.p2.|) * (1 - sn)) + sn by XREAL_1:9;
A12: 1 - sn > 0 by A1, XREAL_1:151;
A13: |.p2.| ^2 = ((p2 `1 ) ^2 ) + ((p2 `2 ) ^2 ) by JGRAPH_3:10;
0 <= (p2 `1 ) ^2 by XREAL_1:65;
then 0 + ((p2 `2 ) ^2 ) <= ((p2 `1 ) ^2 ) + ((p2 `2 ) ^2 ) by XREAL_1:9;
then ((p2 `2 ) ^2 ) / (|.p2.| ^2 ) <= (|.p2.| ^2 ) / (|.p2.| ^2 ) by A13, XREAL_1:74;
then ((p2 `2 ) ^2 ) / (|.p2.| ^2 ) <= 1 by A10, XCMPLX_1:60;
then ((p2 `2 ) / |.p2.|) ^2 <= 1 by XCMPLX_1:77;
then (p2 `2 ) / |.p2.| <= 1 by SQUARE_1:121;
then ((p2 `2 ) / |.p2.|) * (1 - sn) <= 1 * (1 - sn) by A12, XREAL_1:66;
then ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) - sn <= 1 - sn ;
then (((p2 `2 ) / |.p2.|) * (1 - sn)) + sn <= 1 by XREAL_1:11;
then 1 ^2 >= ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 by A11, SQUARE_1:119;
then A14: 1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 ) >= 0 by XREAL_1:50;
then A15: |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| ^2 = ((|.p2.| ^2 ) * (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 ))) + ((|.p2.| ^2 ) * (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )) by A6, SQUARE_1:def 4
.= |.p2.| ^2 ;
then A16: |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| = sqrt (|.p2.| ^2 ) by SQUARE_1:89
.= |.p2.| by SQUARE_1:89 ;
sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )) >= 0 by A14, SQUARE_1:def 4;
then ( (|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]| `2 ) / |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| >= sn & |[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]| `1 >= 0 & |[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]| <> 0. (TOP-REAL 2) ) by A5, A7, A9, A16, TOPRNS_1:24, XCMPLX_1:90;
then A17: (sn -FanMorphE ) . |[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]| = |[(|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| * (sqrt (1 - (((((|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]| `2 ) / |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.|) - sn) / (1 - sn)) ^2 )))),(|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| * ((((|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]| `2 ) / |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.|) - sn) / (1 - sn)))]| by A1, Th91;
A18: |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| * ((((|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]| `2 ) / |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.|) - sn) / (1 - sn)) = |.p2.| * ((((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) - sn) / (1 - sn)) by A4, A5, A16, TOPRNS_1:25, XCMPLX_1:90
.= |.p2.| * ((p2 `2 ) / |.p2.|) by A12, XCMPLX_1:90
.= p2 `2 by A4, TOPRNS_1:25, XCMPLX_1:88 ;
then A19: |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| * (sqrt (1 - (((((|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]| `2 ) / |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.|) - sn) / (1 - sn)) ^2 ))) = |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| * (sqrt (1 - (((p2 `2 ) / |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.|) ^2 ))) by A4, A16, TOPRNS_1:25, XCMPLX_1:90
.= |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| * (sqrt (1 - (((p2 `2 ) ^2 ) / (|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| ^2 )))) by XCMPLX_1:77
.= |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| * (sqrt (((|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| ^2 ) / (|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| ^2 )) - (((p2 `2 ) ^2 ) / (|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| ^2 )))) by A10, A15, XCMPLX_1:60
.= |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| * (sqrt (((|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| ^2 ) - ((p2 `2 ) ^2 )) / (|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| ^2 ))) by XCMPLX_1:121
.= |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| * (sqrt (((((p2 `1 ) ^2 ) + ((p2 `2 ) ^2 )) - ((p2 `2 ) ^2 )) / (|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| ^2 ))) by A15, JGRAPH_3:10
.= |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| * (sqrt (((p2 `1 ) / |.p2.|) ^2 )) by A16, XCMPLX_1:77 ;
(p2 `1 ) / |.p2.| >= 0 by A4;
then A20: |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 - sn)) + sn))]|.| * (sqrt (((p2 `1 ) / |.p2.|) ^2 )) = |.p2.| * ((p2 `1 ) / |.p2.|) by A16, SQUARE_1:89
.= p2 `1 by A4, TOPRNS_1:25, XCMPLX_1:88 ;
dom (sn -FanMorphE ) = the carrier of (TOP-REAL 2) by FUNCT_2:def 1;
hence ex x being set st
( x in dom (sn -FanMorphE ) & y = (sn -FanMorphE ) . x ) by A17, A18, A19, A20, EUCLID:57; :: thesis: verum
end;
suppose A21: ( (p2 `2 ) / |.p2.| < 0 & p2 `1 >= 0 & p2 <> 0. (TOP-REAL 2) ) ; :: thesis: ex x being set st
( x in dom (sn -FanMorphE ) & y = (sn -FanMorphE ) . x )

set px = |[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|;
A22: ( |[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]| `1 = |.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 ))) & |[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]| `2 = |.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ) by EUCLID:56;
then A23: |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| ^2 = ((|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))) ^2 ) + ((|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn)) ^2 ) by JGRAPH_3:10
.= ((|.p2.| ^2 ) * ((sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 ))) ^2 )) + ((|.p2.| ^2 ) * (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )) ;
A24: |.p2.| <> 0 by A21, TOPRNS_1:25;
1 + sn >= 0 by A1, XREAL_1:150;
then A25: ((p2 `2 ) / |.p2.|) * (1 + sn) <= 0 by A21;
then A26: (((p2 `2 ) / |.p2.|) * (1 + sn)) + sn <= 0 + sn by XREAL_1:9;
A27: |.p2.| ^2 > 0 by A24, SQUARE_1:74;
1 - sn > 0 by A1, XREAL_1:151;
then A28: (1 - sn) + sn >= (((p2 `2 ) / |.p2.|) * (1 + sn)) + sn by A25, XREAL_1:9;
A29: 1 + sn > 0 by A1, XREAL_1:150;
A30: |.p2.| ^2 = ((p2 `1 ) ^2 ) + ((p2 `2 ) ^2 ) by JGRAPH_3:10;
0 <= (p2 `1 ) ^2 by XREAL_1:65;
then 0 + ((p2 `2 ) ^2 ) <= ((p2 `1 ) ^2 ) + ((p2 `2 ) ^2 ) by XREAL_1:9;
then ((p2 `2 ) ^2 ) / (|.p2.| ^2 ) <= (|.p2.| ^2 ) / (|.p2.| ^2 ) by A30, XREAL_1:74;
then ((p2 `2 ) ^2 ) / (|.p2.| ^2 ) <= 1 by A27, XCMPLX_1:60;
then ((p2 `2 ) / |.p2.|) ^2 <= 1 by XCMPLX_1:77;
then (p2 `2 ) / |.p2.| >= - 1 by SQUARE_1:121;
then ((p2 `2 ) / |.p2.|) * (1 + sn) >= (- 1) * (1 + sn) by A29, XREAL_1:66;
then ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) - sn >= (- 1) - sn ;
then (((p2 `2 ) / |.p2.|) * (1 + sn)) + sn >= - 1 by XREAL_1:11;
then 1 ^2 >= ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 by A28, SQUARE_1:119;
then A31: 1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 ) >= 0 by XREAL_1:50;
then A32: |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| ^2 = ((|.p2.| ^2 ) * (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 ))) + ((|.p2.| ^2 ) * (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )) by A23, SQUARE_1:def 4
.= |.p2.| ^2 ;
then A33: |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| = sqrt (|.p2.| ^2 ) by SQUARE_1:89
.= |.p2.| by SQUARE_1:89 ;
sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )) >= 0 by A31, SQUARE_1:def 4;
then ( (|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]| `2 ) / |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| <= sn & |[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]| `1 >= 0 & |[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]| <> 0. (TOP-REAL 2) ) by A22, A24, A26, A33, TOPRNS_1:24, XCMPLX_1:90;
then A34: (sn -FanMorphE ) . |[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]| = |[(|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| * (sqrt (1 - (((((|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]| `2 ) / |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.|) - sn) / (1 + sn)) ^2 )))),(|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| * ((((|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]| `2 ) / |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.|) - sn) / (1 + sn)))]| by A1, Th91;
A35: |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| * ((((|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]| `2 ) / |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.|) - sn) / (1 + sn)) = |.p2.| * ((((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) - sn) / (1 + sn)) by A21, A22, A33, TOPRNS_1:25, XCMPLX_1:90
.= |.p2.| * ((p2 `2 ) / |.p2.|) by A29, XCMPLX_1:90
.= p2 `2 by A21, TOPRNS_1:25, XCMPLX_1:88 ;
then A36: |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| * (sqrt (1 - (((((|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]| `2 ) / |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.|) - sn) / (1 + sn)) ^2 ))) = |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| * (sqrt (1 - (((p2 `2 ) / |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.|) ^2 ))) by A21, A33, TOPRNS_1:25, XCMPLX_1:90
.= |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| * (sqrt (1 - (((p2 `2 ) ^2 ) / (|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| ^2 )))) by XCMPLX_1:77
.= |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| * (sqrt (((|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| ^2 ) / (|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| ^2 )) - (((p2 `2 ) ^2 ) / (|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| ^2 )))) by A27, A32, XCMPLX_1:60
.= |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| * (sqrt (((|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| ^2 ) - ((p2 `2 ) ^2 )) / (|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| ^2 ))) by XCMPLX_1:121
.= |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| * (sqrt (((((p2 `1 ) ^2 ) + ((p2 `2 ) ^2 )) - ((p2 `2 ) ^2 )) / (|.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| ^2 ))) by A32, JGRAPH_3:10
.= |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| * (sqrt (((p2 `1 ) / |.p2.|) ^2 )) by A33, XCMPLX_1:77 ;
(p2 `1 ) / |.p2.| >= 0 by A21;
then A37: |.|[(|.p2.| * (sqrt (1 - (((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn) ^2 )))),(|.p2.| * ((((p2 `2 ) / |.p2.|) * (1 + sn)) + sn))]|.| * (sqrt (((p2 `1 ) / |.p2.|) ^2 )) = |.p2.| * ((p2 `1 ) / |.p2.|) by A33, SQUARE_1:89
.= p2 `1 by A21, TOPRNS_1:25, XCMPLX_1:88 ;
dom (sn -FanMorphE ) = the carrier of (TOP-REAL 2) by FUNCT_2:def 1;
hence ex x being set st
( x in dom (sn -FanMorphE ) & y = (sn -FanMorphE ) . x ) by A34, A35, A36, A37, EUCLID:57; :: thesis: verum
end;
end;
end;
hence y in rng f by A2, FUNCT_1:def 5; :: thesis: verum
end;
hence rng (sn -FanMorphE ) = the carrier of (TOP-REAL 2) by A2, XBOOLE_0:def 10; :: thesis: verum
end;
hence rng (sn -FanMorphE ) = the carrier of (TOP-REAL 2) ; :: thesis: verum