Re: Effect of transfer of copyright on free software licenses?

[Hyman Rosen]

Alexander Terekhov wrote:
> Providing rebate is an obligation on the seller's side in that contract

It's a unilateral contract. The seller says that if the buyer
buys an item and sends in a coupon, he will send the buyer
some money.

In any case, this is called a "rebate". That's the point -
that unilateral contracts are known by different names in
different circumstances.