Questions tagged [laws-of-thought]

Law of Excluded Middle: In logic, the law of excluded middle (or the principle of excluded middle) is the third of the so-called three classic laws of thought. It states that for any proposition, either that proposition is true, or its negation is.…

Is there a difference between contradictory and the opposite? In natural language, we have the idea of opposite such as 'The opposite of good is evil'. In logic, we can represent that symbolically. Let G be good. Using symbols, the negation of good…

I had some questions like: Do philosophers think that the rules of the universe are always logical or can they be somehow divorced from logic? The rules of physics seem to follow the laws of logic, so do philosophers believe there is a connection…