if the problem is asking :(adsbygoogle = window.adsbygoogle || []).push({});

express the problem in first

order predicate calculus. The Universe of Discourse

for all variables is “anything”

what does this mean? what are they asking for?

the problem they are referring to is to prove that if n is a positive integer, thenn is even if and only if 7n + 4 is even ( which i solved)

**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: The Universe of Discourse

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