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Reading
Read what we will cover in the next class: 2.2.
When reading 2.2 pay special attention to the following concepts:
- valuation, tautology, the Soundness Theorem, extension of a formal system,
consistent extension, complete extension, the Adequacy Theorem, decidable, and the many propostions
that arise in this section.
This particular section in the book is one that you should probably plan to read twice.
The first time, read it at a "high" level, just noting the definitions, the statements of
propositions, and the explanatory text; skip the proofs the first time through
(except for the short proof of the Adequacy Theorem which explains why we are interested in
the propositions that appear in this section).
Make sure that this global picture is clear and then go back and read it a second time at
a "deep" level to understand the proofs and the details behind the claims made in the section.
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