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Home Q & A Board Humanities Religion and Philosophy
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AL0354335 AL0354335
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A year ago
Consider this proof, (1.) 1. I ≡ (I ⊃ E) (2.)I /∴ I ⊃ E (3.) [I ⊃ (I ⊃ E)] • [(I ⊃ E) ⊃ I] (4.) I ⊃ (I ⊃ E) (5.) I ⊃ E What is the justification for line 3?

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Textbook 
How to Think Logically

How to Think Logically


Edition: 2nd
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Hlh13Hlh13
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A year ago
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AL0354335 Author
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A year ago
Good timing, thanks!
hpascoe
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Yesterday
Thanks
Fanmkreyol
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2 hours ago
This helped my grade so much Perfect
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