let z be constant standard clockwise_oriented special_circular_sequence; ( z /. 1 = N-max (L~ z) & E-min (L~ z) <> S-max (L~ z) implies (E-min (L~ z)) .. z < (S-max (L~ z)) .. z )
set g = Rotate (z,(W-min (L~ z)));
A1:
L~ z = L~ (Rotate (z,(W-min (L~ z))))
by REVROT_1:33;
W-min (L~ z) in rng z
by SPRECT_2:43;
then A2:
(Rotate (z,(W-min (L~ z)))) /. 1 = W-min (L~ (Rotate (z,(W-min (L~ z)))))
by A1, FINSEQ_6:92;
then A3:
( S-max (L~ (Rotate (z,(W-min (L~ z))))) in rng (Rotate (z,(W-min (L~ z)))) & (N-max (L~ (Rotate (z,(W-min (L~ z)))))) .. (Rotate (z,(W-min (L~ z)))) < (E-min (L~ (Rotate (z,(W-min (L~ z)))))) .. (Rotate (z,(W-min (L~ z)))) )
by Lm16, SPRECT_2:42;
assume that
A4:
z /. 1 = N-max (L~ z)
and
A5:
E-min (L~ z) <> S-max (L~ z)
; (E-min (L~ z)) .. z < (S-max (L~ z)) .. z
for i being Nat st 1 < i & i < len z holds
z /. i <> z /. 1
by GOBOARD7:36;
then A6:
Rotate ((Rotate (z,(W-min (L~ z)))),(N-max (L~ z))) = z
by A4, FINSEQ_6:181;
A7:
( E-min (L~ (Rotate (z,(W-min (L~ z))))) in rng (Rotate (z,(W-min (L~ z)))) & N-max (L~ (Rotate (z,(W-min (L~ z))))) in rng (Rotate (z,(W-min (L~ z)))) )
by SPRECT_2:40, SPRECT_2:45;
(E-min (L~ (Rotate (z,(W-min (L~ z)))))) .. (Rotate (z,(W-min (L~ z)))) < (S-max (L~ (Rotate (z,(W-min (L~ z)))))) .. (Rotate (z,(W-min (L~ z))))
by A1, A5, A2, Th27;
hence
(E-min (L~ z)) .. z < (S-max (L~ z)) .. z
by A1, A6, A7, A3, Th5; verum