pa ima moč . Naj bosta in podprostora v U z ogrodjema oziroma . Potem je razsežnost preseka enaka .
, . Potem je razsežnost dim(V) enaka
.
×, ki vsebuje vse realne × matrike A, za katere velja =0 za neko izbrano neničelno matriko B velikosti ×. Potem je njegova razsežnost dim(V) enaka najmanj
in največ
.
V vektor, ki linearna kombinacija vektorjev iz S, in naj bo U' vektorski podprostor v F z ogrodjem
{v}. Kolikšna je razsežnost prostora U'?
D'autres vaje sur : vektorski prostori linearna algebra
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