theorem Th39:
for
I being non
empty set for
G being
Group-like multMagma-Family of
I for
p,
q1,
q2 being
FinSequence of
FreeAtoms G st
[p,q1] in ReductionRel G &
[p,q2] in ReductionRel G &
q1 <> q2 & ( for
s,
t being
FinSequence of
FreeAtoms G for
i being
Element of
I for
f,
g,
h being
Element of
(G . i) holds
( not
p = (s ^ <*[i,f],[i,g],[i,h]*>) ^ t or ( not (
q1 = (s ^ <*[i,(f * g)],[i,h]*>) ^ t &
q2 = (s ^ <*[i,f],[i,(g * h)]*>) ^ t ) & not (
q1 = (s ^ <*[i,f],[i,(g * h)]*>) ^ t &
q2 = (s ^ <*[i,(f * g)],[i,h]*>) ^ t ) ) ) ) holds
ex
r,
s,
t being
FinSequence of
FreeAtoms G ex
i,
j being
Element of
I st
( (
p = (((r ^ <*[i,(1_ (G . i))]*>) ^ s) ^ <*[j,(1_ (G . j))]*>) ^ t & ( (
q1 = ((r ^ s) ^ <*[j,(1_ (G . j))]*>) ^ t &
q2 = ((r ^ <*[i,(1_ (G . i))]*>) ^ s) ^ t ) or (
q1 = ((r ^ <*[i,(1_ (G . i))]*>) ^ s) ^ t &
q2 = ((r ^ s) ^ <*[j,(1_ (G . j))]*>) ^ t ) ) ) or ex
g,
h being
Element of
(G . i) st
( (
p = (((r ^ <*[i,g],[i,h]*>) ^ s) ^ <*[j,(1_ (G . j))]*>) ^ t & ( (
q1 = (((r ^ <*[i,(g * h)]*>) ^ s) ^ <*[j,(1_ (G . j))]*>) ^ t &
q2 = ((r ^ <*[i,g],[i,h]*>) ^ s) ^ t ) or (
q1 = ((r ^ <*[i,g],[i,h]*>) ^ s) ^ t &
q2 = (((r ^ <*[i,(g * h)]*>) ^ s) ^ <*[j,(1_ (G . j))]*>) ^ t ) ) ) or (
p = (((r ^ <*[j,(1_ (G . j))]*>) ^ s) ^ <*[i,g],[i,h]*>) ^ t & ( (
q1 = (((r ^ <*[j,(1_ (G . j))]*>) ^ s) ^ <*[i,(g * h)]*>) ^ t &
q2 = ((r ^ s) ^ <*[i,g],[i,h]*>) ^ t ) or (
q1 = ((r ^ s) ^ <*[i,g],[i,h]*>) ^ t &
q2 = (((r ^ <*[j,(1_ (G . j))]*>) ^ s) ^ <*[i,(g * h)]*>) ^ t ) ) ) or ex
g9,
h9 being
Element of
(G . j) st
(
p = (((r ^ <*[i,g],[i,h]*>) ^ s) ^ <*[j,g9],[j,h9]*>) ^ t & ( (
q1 = (((r ^ <*[i,(g * h)]*>) ^ s) ^ <*[j,g9],[j,h9]*>) ^ t &
q2 = (((r ^ <*[i,g],[i,h]*>) ^ s) ^ <*[j,(g9 * h9)]*>) ^ t ) or (
q1 = (((r ^ <*[i,g],[i,h]*>) ^ s) ^ <*[j,(g9 * h9)]*>) ^ t &
q2 = (((r ^ <*[i,(g * h)]*>) ^ s) ^ <*[j,g9],[j,h9]*>) ^ t ) ) ) ) )