[blml] What does "specified" mean in Law 29C?

[Ed Reppert]

On Dec 6, 2007, at 10:49 AM, Collins Williams wrote:

> It strikes me that "forcing" and "artificial" might be synonyms in  
> some sense:
> If a bid (not sure about X XX or P) is by agreement forcing then it is
> by definition not an offer to play in the strain-level combination  
> it specifies.

Any forcing call is, by the definition of "forcing" not an offer to  
play in the denomination named or last named.

Not all forcing bids are artificial, though, so "forcing" and  
"artificial" are not synonyms.

A call cannot be both artificial and not artificial. Can it be neither?

A call cannot be both natural and not natural. Can it be neither?

Can a call be both natural and artificial?