Respuesta :
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|p|q|r|A = ¬(q → ¬r)|B = q → p|C = ¬(p ∨ r)|D = p ∧ ¬q|
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|V|V|V| V | V | F | F |
|V|V|F| F | V | F | F |
|V|F|V| F | V | F | V |
|V|F|F| F | V | F | V |
|F|V|V| V | F | F | F |
|F|V|F| F | F | V | F |
|F|F|V| F | V | F | F |
|F|F|F| F | V | V | F |
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