consider n being Element of NAT ;
consider C being Simple_closed_curve;
A1:
Upper_Seq C,n is_sequence_on Gauge C,n
by JORDAN1G:4;
take
Upper_Seq C,n
; ( not Upper_Seq C,n is constant & Upper_Seq C,n is standard & Upper_Seq C,n is s.c.c. )
len (Upper_Seq C,n) >= 2
by TOPREAL1:def 10;
hence
( not Upper_Seq C,n is constant & Upper_Seq C,n is standard & Upper_Seq C,n is s.c.c. )
by A1, JGRAPH_1:16, JORDAN8:8; verum