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Home Q & A Board Humanities Religion and Philosophy
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mars03 mars03
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A year ago
“(A ∙ B) ⊃ (B ⊃ A), (A ≡ B) ⊃ (A ∙ B) ∴ (A ≡ B) ⊃ (B ⊃ A)” isa

▸ modus tollens

▸ modus ponens

▸ contraposition

▸ hypothetical syllogism

▸ disjunctive syllogism
Textbook 
How to Think Logically

How to Think Logically


Edition: 2nd
Authors:
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goodone14goodone14
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A year ago
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mars03 Author
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A year ago
Smart ... Thanks!
jbarnett14
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Yesterday
this is exactly what I needed
Shuqin
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2 hours ago
Helped a lot
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