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### 8.10.7 Set Operations

@@ A lot missing here

GPC supports Standard Pascal set operations. In addition it supports the Extended Pascal set operation symmetric difference (`set1 >< set2`) operation whose result consists of those elements which are in exactly one of the operannds.

It also has a function that counts the elements in the set: ``a := Card (set1)'`.

This document was generated by Frank Heckenbach on May, 10 2002 using texi2html