Predykat

start

 
definition
  let x1 be Θ1;
   .....
  let xn be Θn;
  pred a1,...,am ≈ am+1,...,ak means Φ(x1,...,xn,it);
end;

gdzie {a1,...,ak} ⊆ {x1,...,xn-1} oraz domknięcie zbioru {a1,...,am} ze względu na zależność typów daje cały {x1,...,xn-1}.

Predykat (a1,...,am) ≈ (am+1,...,ak) słuźy do tworzenia formuł atomowych (τ1,...,τm) &asimp; (τm+1,...,τk).

Przykłady:

x < y, x = y, h is_homomorphism A,B, X misses Y, mmlquery

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Topic revision: r1 - 2012-01-24 - 18:09:32 - GrzegorzBancerek
 
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