Relations and models

OpenStax

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1 Relations: building a better (representation of) waterworld

Properties of relations

1 Relations as subsets

2 Relations as functions

3 Functions as relations

4 Binary relations

5 Binary relation notation

6 Binary relations as graphs

Interpretations

1 Needing interpretations to evaluate formulas

2 Using truth tables to summarize interpretations (optional)

3 Using formulas to classify interpretations (optional)

4 Encoding functions as relations

Nonstandard interpretations (optional)

1 Prime factorization

2 The poincar Disc

3 P vs. np and oracles

4 L Wenheim-skolem and the real numbers

5 Object-oriented programming

6 Real-world arguments

Modeling with relations

Source: OpenStax, Intro to logic. OpenStax CNX. Jan 29, 2008 Download for free at http://cnx.org/content/col10154/1.20

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