Changes between Initial Version and Version 1 of SigMmt/Templates/UnionOfTwoClasses

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Timestamp:
06/05/10 16:51:58 (12 years ago)
Author:
onnopaap (IP: 84.104.92.156)
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  • SigMmt/Templates/UnionOfTwoClasses

    v0 v1  
     1=== Base Template !UnionOf2Classes === 
     2 
     3[[br]]!UnionOf2Classes is a template for expressing that a class is the union of two classes.  
     4[[br]] 
     5[[br]]!UnionOf2Classes(a, b, c) means that a, b, and c are classes, and that c is the union of a  
     6and b.  
     7[[br]] 
     8[[br]]Roles:  
     9[[br]]1 hasClass1 Class  
     10[[br]]2 hasClass2 Class  
     11[[br]]3 hasClassUnion Class  
     12 
     13Axiom:  
     14{{{ 
     15UnionOf2Classes(x1, x2, x3) <->  
     16Class(x1) &  
     17Class(x2) &  
     18Class(x3) &  
     19exists y(EnumeratedSetOf2Classes(x1, x2, y) &  
     20UnionOfSetOfClassTemplate(y, x3)) .  
     21}}} 
     22 
     23NOTE See 8.3 for further information on the representation used in this template.  
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