theorem Th30: :: VECTSP_4:30

for GF being non empty right_complementable well-unital distributive Abelian add-associative right_zeroed associative doubleLoopStr
for V being non empty right_complementable vector-distributive scalar-distributive scalar-associative scalar-unital Abelian add-associative right_zeroed ModuleStr over GF
for W1, W2 being strict Subspace of V st ( for v being Element of V holds
( v in W1 iff v in W2 ) ) holds
W1 = W2