let k, n, t be Element of NAT ; for C being connected compact non horizontal non vertical Subset of (TOP-REAL 2) st 1 <= k & k <= len (Cage C,n) & 1 <= t & t <= width (Gauge C,n) & (Cage C,n) /. k = (Gauge C,n) * (len (Gauge C,n)),t holds
(Cage C,n) /. k in E-most (L~ (Cage C,n))
let C be connected compact non horizontal non vertical Subset of (TOP-REAL 2); ( 1 <= k & k <= len (Cage C,n) & 1 <= t & t <= width (Gauge C,n) & (Cage C,n) /. k = (Gauge C,n) * (len (Gauge C,n)),t implies (Cage C,n) /. k in E-most (L~ (Cage C,n)) )
assume that
A1:
( 1 <= k & k <= len (Cage C,n) )
and
A2:
( 1 <= t & t <= width (Gauge C,n) )
and
A3:
(Cage C,n) /. k = (Gauge C,n) * (len (Gauge C,n)),t
; (Cage C,n) /. k in E-most (L~ (Cage C,n))
Cage C,n is_sequence_on Gauge C,n
by JORDAN9:def 1;
then A4:
((Gauge C,n) * (len (Gauge C,n)),t) `1 >= E-bound (L~ (Cage C,n))
by A2, Th44;
len (Cage C,n) >= 2
by GOBOARD7:36, XXREAL_0:2;
then A5:
(Cage C,n) /. k in L~ (Cage C,n)
by A1, TOPREAL3:46;
then
E-bound (L~ (Cage C,n)) >= ((Cage C,n) /. k) `1
by PSCOMP_1:71;
hence
(Cage C,n) /. k in E-most (L~ (Cage C,n))
by A3, A5, A4, SPRECT_2:17, XXREAL_0:1; verum