Development of Creative Commons licenses

[heba <mat.r.gl AT gmail.com>]

I apologize to create confusion. i'm not a lawyers so sometimes I could be use an incorrect term (please correct me). 
But in this case, Anthony understood and summarized well what I meant.
Some kind of license can be considered contract and not only a simple grant.
In many state of the world this kind of license are contract, but make a common license in this case, with the same rules, for me it's hard and difficult.
Have a nice day or evening for all.
--
Micaela Gallerini

2012/8/10 Anthony <osm AT inbox.org>

On Fri, Aug 10, 2012 at 3:17 PM, Ben Finney
<bignose+hates-spam AT benfinney.id.au> wrote:
> heba <mat.r.gl AT gmail.com> writes:
>
>> A contract is effective only all parties involved are known.
>
> A copyright license is not a contract. It is a unilateral grant by the
> copyright holder to another party; the party receiving the license does
> not have to participate, be identified, or even be aware, they still get
> the license on whatever terms the copyright holder specifies.

A contract can be unilateral.

A license, is a grant of permission.

A license agreement is, or at least can be, a contract.

Whether or not CC-BY-SA is a contract, is a more difficult question,
which CC-BY-SA itself leaves open as a "maybe": "To the extent this
Public License may be considered a contract, Licensor grants You the
rights under this Public License in consideration of acceptance of
such terms and conditions by You."

In any case, when discussing this, it's important to understand why
you're making the distinction.

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