Base Template IntersectionOf2Classes


IntersectionOf2Classes is a template for expressing that a class is the intersection of two classes.

IntersectionOf2Classes(a, b, c) means that c is the intersection of a and b.

Roles:
1 hasClass1 Class
2 hasClass2 Class
3 hasClassIntersection Class

Axiom:

IntersectionOf2Classes(x1, x2, x3) <-> 
Class(x1) & 
Class(x2) & 
Class(x3) & 
exists y(EnumeratedSetOf2Classes(x1, x2, y) & 
IntersectionOfSetOfClassTemplate(y, x3)) . 

NOTE See 8.3 for further information on the representation used in this template.

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