Either both x_{1} and x_{2}, or neither x_{1} nor x_{2}, satisfy predicate x_{3}

See dunli, dunlija, dunlini, dunliki

- dunlija
- x
_{1}and x_{2}both satisfy predicate x_{3} - dunliki
- Something is such that both x
_{1}and x_{2}are related to it by predicate x_{3}. x_{4}[quantifier] thing to which x_{1}is related by predicate x_{3}is such that x_{2}is related to it by predicate x_{3}. - dunlini
- x
_{1}and x_{2}satisfy predicate x_{3}to the same extent