# Is there any exception or rebuttal to the law of noncontradiction?

No, there is no exceptions. All purported “rebuttals” of the law of contradiction are based on the same fallacy, the fallacy of equivocation. Deductive logic is defined as based on the law of contradiction.

Contents

## Can the law of Noncontradiction be proven?

In any “complete” logical system, such as standard first-order predicate logic with identity, you can prove any logical truth. So you can prove the law of identity and the law of noncontradiction in such systems, because those laws are logical truths in those systems.

## How is the law of Noncontradiction?

In logic, the law of non-contradiction (LNC) (also known as the law of contradiction, principle of non-contradiction (PNC), or the principle of contradiction) states that contradictory propositions cannot both be true in the same sense at the same time, e. g. the two propositions “p is the case” and “p is not the case” …

## What would be an example of the law of Noncontradiction?

The law of non-contradiction is a rule of logic. It states that if something is true, then the opposite of it is false. For example, if an animal is a cat, the same animal cannot be not a cat. Or, stated in logic, if +p, then not -p, +p cannot be -p at the same time and in the same sense.

## Why does the law of non-contradiction work?

The Principle of Non-Contradiction and Action

Aristotle notes that even if the opponent fails to speak, she must still act, and if she acts in a certain way, that shows that she thinks that things in the world are one way rather than another, and that some courses of action are better than others.

## Can anything be true and false at the same time?

Dialetheism (from Greek δι- di- ‘twice’ and ἀλήθεια alḗtheia ‘truth’) is the view that there are statements which are both true and false. More precisely, it is the belief that there can be a true statement whose negation is also true. Such statements are called “true contradictions”, dialetheia, or nondualisms.

## Is the law of excluded middle true?

In logic, the law of excluded middle (or the principle of excluded middle) states that for every proposition, either this proposition or its negation is true. It is one of the so-called three laws of thought, along with the law of noncontradiction, and the law of identity.

## What is the law of non-contradiction quizlet?

What is the Law of Non-contradiction? The Law of Non-contradiction is that a statement CAN’T be both true and false at the same time and in the same sense.

## What is the principle of contradiction and its importance to ethical analysis and reasoning?

The principle of contradiction expresses the metaphysical and logical opposition between being and its negation. It is concisely expressed by Aristotle: “A thing cannot at the same time be and not be…” (Meta.

## What is the law of contradiction meaning?

: a principle in logic: a thing cannot at the same time both be and not be of a specified kind (as a table and not a table) or in a specified manner (as red or not red)

## Can something be not true and not false?

When someone says something is not true, it can have a value not only of -1, but also of 0. Therefore, not true (0, -1) is not the same as false (-1).

## Can two contradictory statements be false?

Contraries may both be false but cannot both be true. Contradictories are such that one of them is true if and only if the other is false.

## What is it called when something is true and false?

In other words, a statement that is either true or false. I would call it a factual statement. Something that is factual is concerned with facts or contains facts, rather than giving theories or personal interpretations.

## Can two contradictory statements be true?

Contraries may both be false but cannot both be true. Contradictories are such that one of them is true if and only if the other is false.

## What is it called when two opposing things are true?

1 : one (such as a person, situation, or action) having seemingly contradictory qualities or phases. 2a : a statement that is seemingly contradictory or opposed to common sense and yet is perhaps true. b : a self-contradictory statement that at first seems true.

## What is the law of contradiction meaning?

: a principle in logic: a thing cannot at the same time both be and not be of a specified kind (as a table and not a table) or in a specified manner (as red or not red)

## What principle states nothing exists without a sufficient reason for its being and existence?

The principle of sufficient reason tells us that nothing exists without a sufficient reason. Every being must have a sufficient reason for its being and existence. The most important and fundamental of these principles is the principle of contradiction.

## What is the principles that says all exist with a reason?

The Principle of Sufficient Reason is a powerful and controversial philosophical principle stipulating that everything must have a reason, cause, or ground.

## How can a philosophy be a principle of sufficient reason or non contradiction?

Philosophy can be a system of sufficient or non-existent reasons: The principle of reason enough states that everything should have a cause or a cause. The goal was stated and made clear by Gottfried and many precursors and was re-used and developed by Arthur Schopenhauer and Sir William Hamilton, 9th Baronet.

## Is there such thing as nothingness?

There is no such thing as nothingness, and zero does not exist. Everything is something.

## What color is nothingness?

The absence of things, nothing, has no color because it’s not something you can see and color is only seen.

## Can non existence exist?

Nonexistence is the absence of existence, by definition. So, nonexistence does not exist. Therefore there is no such thing as nonexistence. To say that something does not exist thus seems to be a fallacy, since NOTHING does not exist.

## Who created nothing?

Parmenides. One of the earliest Western philosophers to consider nothing as a concept was Parmenides (5th century BC), who was a Greek philosopher of the monist school.

## Who created the world?

According to Christian belief, God created the universe. There are two stories of how God created it which are found at the beginning of the book of Genesis in the Bible. Some Christians regard Genesis 1 and Genesis 2 as two totally separate stories that have a similar meaning.

## How many universes are there?

In a new study, Stanford physicists Andrei Linde and Vitaly Vanchurin have calculated the number of all possible universes, coming up with an answer of 10^10^16.

## What was there before the universe?

In the beginning, there was an infinitely dense, tiny ball of matter. Then, it all went bang, giving rise to the atoms, molecules, stars and galaxies we see today. Or at least, that’s what we’ve been told by physicists for the past several decades.

## Is time Travelling possible?

Yes, time travel is indeed a real thing. But it’s not quite what you’ve probably seen in the movies. Under certain conditions, it is possible to experience time passing at a different rate than 1 second per second. And there are important reasons why we need to understand this real-world form of time travel.

## When did time begin?

approximately 14 billion years ago

According to the standard big bang model of cosmology, time began together with the universe in a singularity approximately 14 billion years ago.