let z be non constant standard clockwise_oriented special_circular_sequence; ( z /. 1 = S-min (L~ z) & S-max (L~ z) <> E-min (L~ z) implies (E-min (L~ z)) .. z < (S-max (L~ z)) .. z )
set g = Rotate (z,(N-min (L~ z)));
A1:
L~ z = L~ (Rotate (z,(N-min (L~ z))))
by REVROT_1:33;
N-min (L~ z) in rng z
by SPRECT_2:43;
then A2:
(Rotate (z,(N-min (L~ z)))) /. 1 = N-min (L~ (Rotate (z,(N-min (L~ z)))))
by A1, FINSEQ_6:98;
then A3:
(S-max (L~ (Rotate (z,(N-min (L~ z)))))) .. (Rotate (z,(N-min (L~ z)))) < (S-min (L~ (Rotate (z,(N-min (L~ z)))))) .. (Rotate (z,(N-min (L~ z))))
by SPRECT_2:77;
assume that
A4:
z /. 1 = S-min (L~ z)
and
A5:
S-max (L~ z) <> E-min (L~ z)
; (E-min (L~ z)) .. z < (S-max (L~ z)) .. z
for i being Element of NAT st 1 < i & i < len z holds
z /. i <> z /. 1
by GOBOARD7:38;
then A6:
Rotate ((Rotate (z,(N-min (L~ z)))),(S-min (L~ z))) = z
by A4, REVROT_1:16;
A7:
( S-max (L~ (Rotate (z,(N-min (L~ z))))) in rng (Rotate (z,(N-min (L~ z)))) & E-min (L~ (Rotate (z,(N-min (L~ z))))) in rng (Rotate (z,(N-min (L~ z)))) )
by SPRECT_2:46, SPRECT_2:49;
( S-min (L~ (Rotate (z,(N-min (L~ z))))) in rng (Rotate (z,(N-min (L~ z)))) & (E-min (L~ (Rotate (z,(N-min (L~ z)))))) .. (Rotate (z,(N-min (L~ z)))) < (S-max (L~ (Rotate (z,(N-min (L~ z)))))) .. (Rotate (z,(N-min (L~ z)))) )
by A1, A5, A2, SPRECT_2:45, SPRECT_2:76;
hence
(E-min (L~ z)) .. z < (S-max (L~ z)) .. z
by A1, A6, A7, A3, Th12; verum