let T be non empty reflexive transitive antisymmetric with_suprema Noetherian non void adj-structured commutative TAS-structure ; :: thesis: for t1, t2 being type of T st t1 <= t2 holds
radix t1 <= radix t2
set R = T @--> ;
let t1, t2 be type of T; :: thesis: ( t1 <= t2 implies radix t1 <= radix t2 )
assume A1:
t1 <= t2
; :: thesis: radix t1 <= radix t2
t2 <= radix t2
by Th68, Th79;
then A2:
( t1 <= radix t2 & T @--> reduces t1, radix t1 )
by A1, Th79, YELLOW_0:def 2;
set X = the carrier of T;
defpred S1[ Element of the carrier of T, Element of the carrier of T] means ( $1 <= radix t2 implies $2 <= radix t2 );
A4:
for x being Element of the carrier of T holds S1[x,x]
;
A5:
for x, y, z being Element of the carrier of T st S1[x,y] & S1[y,z] holds
S1[x,z]
;
for x, y being Element of T st T @--> reduces x,y holds
S1[x,y]
from ABCMIZ_0:sch 2(A3, A4, A5);
hence
radix t1 <= radix t2
by A2; :: thesis: verum