let n be Element of NAT ; for C being connected compact non horizontal non vertical Subset of (TOP-REAL 2) ex j being Element of NAT st
( 1 <= j & j <= width (Gauge C,n) & (Gauge C,n) * 1,j in rng (Cage C,n) )
let C be connected compact non horizontal non vertical Subset of (TOP-REAL 2); ex j being Element of NAT st
( 1 <= j & j <= width (Gauge C,n) & (Gauge C,n) * 1,j in rng (Cage C,n) )
consider j being Element of NAT such that
A1:
1 <= j
and
A2:
j <= width (Gauge C,n)
and
A3:
W-min (L~ (Cage C,n)) = (Gauge C,n) * 1,j
by Th34;
take
j
; ( 1 <= j & j <= width (Gauge C,n) & (Gauge C,n) * 1,j in rng (Cage C,n) )
thus
( 1 <= j & j <= width (Gauge C,n) & (Gauge C,n) * 1,j in rng (Cage C,n) )
by A1, A2, A3, SPRECT_2:47; verum