:: deftheorem Def2 defines /\ VECTSP_5:def 2 :
for GF being non empty right_complementable well-unital distributive Abelian add-associative right_zeroed associative doubleLoopStr
for M 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 Subspace of M
for b₅ being strict Subspace of M holds
( b₅ = W1 /\ W2 iff the carrier of b₅ = the carrier of W1 /\ the carrier of W2 );