How can a proposition be negated? I- For a simple proposition, the word 'not' can be placed before the sentence to make it negative. II- If the or...
How can a proposition be negated?
I- For a simple proposition, the word 'not' can be placed before the sentence to make it negative.
II- If the original sentence is already negative, the word 'not' must be excluded to negate the negative.
III- Negating a proposition is a difficult task that requires a lot of practice.
a) Only I is correct.
b) Only II is correct.
c) Only III is correct.
d) I and II are correct.
e) I, II, and III are correct.
I- For a simple proposition, the word 'not' can be placed before the sentence to make it negative.
II- If the original sentence is already negative, the word 'not' must be excluded to negate the negative.
III- Negating a proposition is a difficult task that requires a lot of practice.
a) Only I is correct.
b) Only II is correct.
c) Only III is correct.
d) I and II are correct.
e) I, II, and III are correct.
💡 1 Resposta
Ed 
A proposição pode ser negada de duas maneiras: I - Para uma proposição simples, a palavra "não" pode ser colocada antes da sentença para torná-la negativa. II - Se a sentença original já for negativa, a palavra "não" deve ser excluída para negar a negativa. Portanto, a alternativa correta é a letra d) I e II estão corretas.
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