You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 

1 lines
124 B

\item \self $\lnot \exists x \forall y \; (P(x) \land Q(y)) \quad \ent \quad \forall x \exists y \; \lnot (P(x) \land Q(y))$