[Agda] How to formalize 'there exists a set' phrase?

Vag Vagoff vag.vagoff at gmail.com
Tue Jul 6 19:00:30 CEST 2010


It is well known how to formalize in constructive math statement "there is exist an element x of A with property P":

data Ex {A : Set} (P : A -> Set) : Set where ex : {a : A} -> P a -> Ex P

But how to formalize statement "there is exist a set A with property P"?


More information about the Agda mailing list