Hello,

i have a short question about the sum of two 1-forms.

We have defined a 1-form w by a pair of smooth functions p,q and we write:

w:=p dx + q dy.

Later we have use the sum of two 1-forms , without any definition.

How is the definition of this. Is it just:

if

and

Sorry, if this question is trivial for you, but i'm beginner in topology.

Thank you for helping.