lec-10.pdf

lec-10.pdf - Today Review for Midterm Propositional logic A...

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Today Review for Midterm.

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Propositional logic. A proposition is a statement that is true or false.
Propositional logic. A proposition is a statement that is true or false. Propositions?

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Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ?
Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ? Proposition!

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Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ? Proposition! 3 = 5 ?
Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ? Proposition! 3 = 5 ? Proposition!

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Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ? Proposition! 3 = 5 ? Proposition! 3 ?
Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ? Proposition! 3 = 5 ? Proposition! 3 ? Not a proposition!

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Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ? Proposition! 3 = 5 ? Proposition! 3 ? Not a proposition! n = 3 ?
Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ? Proposition! 3 = 5 ? Proposition! 3 ? Not a proposition! n = 3 ? Not a proposition...

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Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ? Proposition! 3 = 5 ? Proposition! 3 ? Not a proposition! n = 3 ? Not a proposition...but a predicate.
Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ? Proposition! 3 = 5 ? Proposition! 3 ? Not a proposition! n = 3 ? Not a proposition...but a predicate. Predicate: Statement with free variable(s).

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Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ? Proposition! 3 = 5 ? Proposition! 3 ? Not a proposition! n = 3 ? Not a proposition...but a predicate. Predicate: Statement with free variable(s). Example: x = 3
Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ? Proposition! 3 = 5 ? Proposition! 3 ? Not a proposition! n = 3 ? Not a proposition...but a predicate. Predicate: Statement with free variable(s). Example: x = 3 Given a value for x , becomes a proposition.

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Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ? Proposition! 3 = 5 ? Proposition! 3 ? Not a proposition! n = 3 ? Not a proposition...but a predicate. Predicate: Statement with free variable(s). Example: x = 3 Given a value for x , becomes a proposition. Predicate?
Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ? Proposition! 3 = 5 ? Proposition! 3 ? Not a proposition! n = 3 ? Not a proposition...but a predicate. Predicate: Statement with free variable(s). Example: x = 3 Given a value for x , becomes a proposition. Predicate? n > 3 ?

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Propositional logic. A proposition is a statement that is true or false. Propositions? 3 = 4 - 1 ? Proposition!
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