sets of rules

Would it be possible to organize xsl rules with different criterion,
particularly with variable discrimination (a little bit like a rule
database, but I would like to code it directly in XSL).
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Example:
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I have two variables A and B that can take values 1 2 or 3.
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Then some templates are valid only if A=1, others if A=1 and B=2, others if
A=1 and B=1. I would like a xsl:if that can take place outside a
<xsl:template>.
?
Thanks.

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Simon Bécot 
Ingénieur développement Softeam - http://www.softeam.fr
<http://www.softeam.fr/>  -
- CNET Rennes - 
mailto:simon.becot@xxxxxxxxxx <mailto:simon.becot@xxxxxxxxxx> 
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