consider L being complete LATTICE;
defpred S1[ set , set , set ] means c3 = c3;
A1:
for a being Element of {L} holds a is LATTICE
by TARSKI:def 1;
A2:
for a, b, c being LATTICE st a in {L} & b in {L} & c in {L} holds
for f being Function of a,b
for g being Function of b,c st S1[a,b,f] & S1[b,c,g] holds
S1[a,c,g * f]
;
A3:
for a being LATTICE st a in {L} holds
S1[a,a, id a]
;
consider C being strict category such that
A4:
C is lattice-wise
and
A5:
the carrier of C = {L}
and
for a, b being LATTICE
for f being monotone Function of a,b holds
( f in the Arrows of C . a,b iff ( a in {L} & b in {L} & S1[a,b,f] ) )
from YELLOW21:sch 1(A1, A2, A3);
take
C
; :: thesis: ( C is strict & C is with_complete_lattices )
thus
C is strict
; :: thesis: C is with_complete_lattices
thus
C is lattice-wise
by A4; :: according to YELLOW21:def 5 :: thesis: for a being object of C holds a is complete LATTICE
let a be object of C; :: thesis: a is complete LATTICE
thus
a is complete LATTICE
by A5, TARSKI:def 1; :: thesis: verum