Is it equivalent?(adsbygoogle = window.adsbygoogle || []).push({});

[tex]

( \forall x \in S \forall y P(x) ) <=> \neg ( \exists x \in S^{c} \exists y \neg P(x) )

[/tex]

Attempt at solution

I think it should be

[tex]

( \forall x \in S \forall y P(x) ) <=> \neg ( \exists x \in S \exists y \neg P(x) )

[/tex]

The diiference to the above statement is [tex]S^{c}[/tex].

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Logic - Is this equivalent?

**Physics Forums | Science Articles, Homework Help, Discussion**