[blml] What is equity - added substance. [Long]

[Alain Gottcheiner]

Matthias Schüller a écrit :
> Well, then let us look at one of the most basic "could have known" cases.
>
> North opens 2NT (20-22). East passes, and South, holding a Yarborough 
> with 7 clubs, bids 3C (which is Stayman). You investigate and find out 
> that South thought for a moment that partner had opened 1NT

All right, but why on Earth should you investigate ? The TD shan't be 
called after the bidding begins 2NT-3C, should he ?