let A be Subset of (TOP-REAL 2); for p1, p2 being Point of (TOP-REAL 2) st A is_an_arc_of p1,p2 holds
ex g being Function of I[01],(TOP-REAL 2) st
( g is continuous & g is one-to-one & rng g = A & g . 0 = p1 & g . 1 = p2 )
let p1, p2 be Point of (TOP-REAL 2); ( A is_an_arc_of p1,p2 implies ex g being Function of I[01],(TOP-REAL 2) st
( g is continuous & g is one-to-one & rng g = A & g . 0 = p1 & g . 1 = p2 ) )
assume A1:
A is_an_arc_of p1,p2
; ex g being Function of I[01],(TOP-REAL 2) st
( g is continuous & g is one-to-one & rng g = A & g . 0 = p1 & g . 1 = p2 )
then reconsider A9 = A as non empty Subset of (TOP-REAL 2) by TOPREAL1:1;
consider f being Function of I[01],((TOP-REAL 2) | A9) such that
A2:
f is being_homeomorphism
and
A3:
( f . 0 = p1 & f . 1 = p2 )
by A1, TOPREAL1:def 1;
consider g being Function of I[01],(TOP-REAL 2) such that
A4:
f = g
and
A5:
( g is continuous & g is one-to-one )
by A2, Th15;
take
g
; ( g is continuous & g is one-to-one & rng g = A & g . 0 = p1 & g . 1 = p2 )
thus
( g is continuous & g is one-to-one )
by A5; ( rng g = A & g . 0 = p1 & g . 1 = p2 )
rng f = [#] ((TOP-REAL 2) | A9)
by A2, TOPS_2:def 5;
hence
rng g = A
by A4, PRE_TOPC:def 5; ( g . 0 = p1 & g . 1 = p2 )
thus
( g . 0 = p1 & g . 1 = p2 )
by A3, A4; verum