theorem Th64: :: AOFA_000:64

for X being non empty disjoint_with_NAT set
for p being FinSequence of (FreeUnivAlgNSG (ECIW-signature,X)) st 3 -tree p is Element of (FreeUnivAlgNSG (ECIW-signature,X)) holds
ex C, I1, I2 being Element of (FreeUnivAlgNSG (ECIW-signature,X)) st p = <*C,I1,I2*>