Questions tagged [negation]

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2answers
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Is it the case that negation has an ontological counterpart?

Facts refer to real objects. They are true because there are something of which such sentences are true of, following Aristotle. What would be the reference of a fact of the form "not P"? Or ...
0
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2answers
66 views

Differences between "It is not the case that" and "not"? [closed]

Many articles say the following: Statement: "She is going to school." Negation statement: (1) "She is not going to school." or (2) "It is not the case that she is going ...
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1answer
80 views

Negation of the Rule of Implication proof

tried forever to figure out a solution to this problem. It's based on the rule of Material Implication with a negation in front of both sides. Namely the premise is ~(A>B) with the goal solution ...
1
vote
7answers
352 views

A non-circular definition of "not"

The notion of "not" is used throughout all languages as far as I know. For instance, consider the sentence, "Trees are not blue." There are various ways of expressing this notion without using the ...