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Home Q & A Board Humanities Religion and Philosophy
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susu susu
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A year ago
Consider this proof, (1.) E • D (2.) ~ (E • D) ≡ O/∴ Ev~O (3.) [~ (E • D) ⊃ O] • [O ⊃ ~ (E • D)] (4.) [O ⊃ ~(E•D)]• [~(E•D) ⊃ O] (5.) O ⊃ ~ (E • D) (6.) ~ ~ (E • D) (7.) ~ O (8.) ~ O v E (9.) E v ~ O What is the justification for line 6?

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Textbook 
How to Think Logically

How to Think Logically


Edition: 2nd
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shanelljac204shanelljac204
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susu Author
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A year ago
this is exactly what I needed
nicolepope23
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Yesterday
Correct Slight Smile TY
macbookpro1
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2 hours ago
Brilliant ツ
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