### From Semantic Web Technologies

From Appendix C

# Logic

of Foundations of Semantic Web Technologies:

In this appendix, we very briefly recall some logical foundations which are needed for our discussions of formal semantics. We will completely introduce syntax and semantics of first-order predicate logic, but will refrain from doing formal proofs or extended examples.

## Contents

- Syntax
- Semantics
- Proof Theory and Decidability