let C be Simple_closed_curve; for n being Nat st n is_sufficiently_large_for C holds
C meets LeftComp (Span (C,n))
let n be Nat; ( n is_sufficiently_large_for C implies C meets LeftComp (Span (C,n)) )
assume A1:
n is_sufficiently_large_for C
; C meets LeftComp (Span (C,n))
then A2:
Span (C,n) is_sequence_on Gauge (C,n)
by JORDAN13:def 1;
A3:
1 + 1 <= len (Span (C,n))
by GOBOARD7:34, XXREAL_0:2;
then
left_cell ((Span (C,n)),1,(Gauge (C,n))) meets C
by A1, Th7;
then
(left_cell ((Span (C,n)),1,(Gauge (C,n)))) \ (L~ (Span (C,n))) meets C
by A1, Th8, XBOOLE_1:84;
hence
C meets LeftComp (Span (C,n))
by A3, A2, JORDAN9:27, XBOOLE_1:63; verum