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Home Q & A Board Humanities Religion and Philosophy
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hcraik2 hcraik2
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A year ago
Consider this proof, (1.) E • [ ~ I • (~ D v I)]  /∴ ~ D v F (2.) [ ~ I • (~ D v I)] • E (3.( ~ I • (~ D v I) (4.) ~ I (5.) (~ D v I) • ~ I (6.) ~ D v I (7.) ~ D (8.) ~ D v F What is the justification for line 5?

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Textbook 
How to Think Logically

How to Think Logically


Edition: 2nd
Authors:
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dangoondangoon
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A year ago
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hcraik2 Author
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A year ago
Thanks for your help!!
emilyas19
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Yesterday
You make an excellent tutor!
husne
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2 hours ago
Smart ... Thanks!
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