For each of these collections of premises, write arguments in vertical form and test the validity using the Principle of Demonstration. Declare the variable that you will use to represent each proposition. fink: b. If Rafaela is pretty, then Alice is tall. If Alice is tall, then neither Rafaela is pretty nor Angela is cute. Rafaela is pretty, then gasoline prices are up.

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Subject: Discrete structure: Propositional Logic

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For each of these collections of premises, write arguments in vertical form and test the validity
using the Principle of Demonstration. Declare the variable that you will use to represent each
proposition.
b. If Rafaela is pretty, then Alice is tall. If Alice is tall, then neither Rafaela is pretty nor
Angela is cute. Rafaela is pretty, then gasoline prices are up.
Transcribed Image Text:For each of these collections of premises, write arguments in vertical form and test the validity using the Principle of Demonstration. Declare the variable that you will use to represent each proposition. b. If Rafaela is pretty, then Alice is tall. If Alice is tall, then neither Rafaela is pretty nor Angela is cute. Rafaela is pretty, then gasoline prices are up.
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