set n = the Nat;
set C = the Simple_closed_curve;
A1:
Upper_Seq ( the Simple_closed_curve, the Nat) is_sequence_on Gauge ( the Simple_closed_curve, the Nat)
by JORDAN1G:4;
take
Upper_Seq ( the Simple_closed_curve, the Nat)
; ( Upper_Seq ( the Simple_closed_curve, the Nat) is constant & Upper_Seq ( the Simple_closed_curve, the Nat) is standard & Upper_Seq ( the Simple_closed_curve, the Nat) is s.c.c. )
len (Upper_Seq ( the Simple_closed_curve, the Nat)) >= 2
by TOPREAL1:def 8;
hence
( Upper_Seq ( the Simple_closed_curve, the Nat) is constant & Upper_Seq ( the Simple_closed_curve, the Nat) is standard & Upper_Seq ( the Simple_closed_curve, the Nat) is s.c.c. )
by A1, JGRAPH_1:12, JORDAN8:5; verum