| CONVERT TO DEFINED BEFORE CLASSIFYING Has at least one topping (of any class except meat or fish) Could have other toppings (including meat and fish) (will subsume open pizzas) |
| •owl:Thing |
| •PizzaDomainConcept |
| •Pizza |
| •VegePizza07 |
| Pizza |
| hasTopping SOME (NOT(MeatTopping OR FishTopping)) |
Class(VegePizza07 partial Pizza
restriction(hasTopping someValuesFrom(complementOf(unionOf(MeatTopping
FishTopping)))))