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Home Q & A Board Humanities Religion and Philosophy
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Kiyaa Kiyaa
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A year ago
Consider this proof, (1.) (~I ⊃ ~E) • (~E ⊃ E) (2.)~I /∴ I (3.) ~I ⊃ ~E (4.) ~ ~ E ⊃ ~ ~I (5.) E ⊃ I (6.) ~ E (7.) (~E ⊃ E) • (~I ⊃ ~E) (8.) ~E ⊃ E (9.) E (10.) ~ ~ E (11.) ~ ~ I (12.) I What is the justification for line 8?

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Textbook 
How to Think Logically

How to Think Logically


Edition: 2nd
Authors:
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gagan17gagan17
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A year ago
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