set S = {[0,{},{}],[1,{},{}]};
thus
{[0,{},{}],[1,{},{}]} is J/A-independent
{[0,{},{}],[1,{},{}]} is homogeneous proof
let T be
InsType of
{[0,{},{}],[1,{},{}]};
COMPOS_0:def 7 for f1, f2 being natural-valued Function st f1 in JumpParts T & dom f1 = dom f2 holds
for p being object st [T,f1,p] in {[0,{},{}],[1,{},{}]} holds
[T,f2,p] in {[0,{},{}],[1,{},{}]}let f1,
f2 be
natural-valued Function;
( f1 in JumpParts T & dom f1 = dom f2 implies for p being object st [T,f1,p] in {[0,{},{}],[1,{},{}]} holds
[T,f2,p] in {[0,{},{}],[1,{},{}]} )
assume that A1:
f1 in JumpParts T
and A2:
dom f1 = dom f2
;
for p being object st [T,f1,p] in {[0,{},{}],[1,{},{}]} holds
[T,f2,p] in {[0,{},{}],[1,{},{}]}
let p be
object ;
( [T,f1,p] in {[0,{},{}],[1,{},{}]} implies [T,f2,p] in {[0,{},{}],[1,{},{}]} )
A3:
f1 in {0}
by A1, Lm4;
(
f1 = 0 &
f2 = 0 )
by A3, A2, CARD_3:10;
hence
(
[T,f1,p] in {[0,{},{}],[1,{},{}]} implies
[T,f2,p] in {[0,{},{}],[1,{},{}]} )
;
verum
end;
let I, J be Element of {[0,{},{}],[1,{},{}]}; COMPOS_0:def 5 ( InsCode I = InsCode J implies dom (JumpPart I) = dom (JumpPart J) )
assume
InsCode I = InsCode J
; dom (JumpPart I) = dom (JumpPart J)
( JumpPart I = {} & JumpPart J = {} )
by Th8;
hence
dom (JumpPart I) = dom (JumpPart J)
; verum