[Xy-pic] new arrow types

Maxim Leenson mleenson@yahoo.com
Tue, 12 Mar 2002 21:58:33 -0800 (PST)

    Hello everybody, 

I'd like to have an xy-pic arrow looking like \subset.

    My expirience:
    I've tried
          A \ar@{*{\subset}}[r] & B \\
    it does not look right; and I think that XY-Pic is
        right, becasue, according to 
    the Users's guide, I've described the head and not
the shaft.
       I've also tried
     meaning an empty tail, shaft like \subset and an
empty head;
     it also did not work, this time I do not know

  What is the right answer? Thank you, Maxim Leenson.

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