logic foundation of knowledge

Código WC1-E2-I

VIEW:276 DATA:2020-03-20

Logic is the foundation of all knowledge. Everything that has no logic is irrational, meaningless.

We can separate logical terms by propositions. And what is a proposition? Fundamentally is to propose something.

At the most fundamental point to propose something we need in the logic of dirt and predicate. Subject is the central part of the proposition and predicate is what is affirmed or denied of the subject. Predicate has to do with the subject.

In logic a proposition cannot be interrogative. For how can you propose something doubting? A logical proposition has the possibility of being true or not true.

For example.

Pure water is colorless.

The subject is "pure water".

Pure water is tasteless or has no flavor. It is odorless ie it has no smell and it is colorless ie it has no color.

Therefore, it is the so-called physical properties of water, which has to do with water, so it is a predicate of the subject, because the subject is pure water.

So we have already seen that it has subject and predicate and we have seen that it is not a question but a statement. Therefore, it may be true or not true.

So we have a logical proposition.

And now: Pure water is colorless! Is it true or not true?

Well, it's true.

Let's look at other examples:

History and geography

Is it a proposition?

No, it has not predicated. For it is not known who is the subject nor the predicate.

Is prehistory history?

Is it a proposition?

No, because they propose nothing, just questions.

Pythagoras may or may not have existed, the idea being that the Pythagorean Theorem is nothing but acquired knowledge of the Egyptians. And it may be that Pythagoras is a myth.

Then the term.

Pythagoras existed.

Is it a proposition?

Not! It is not a proposition, for we cannot say whether it is true or not true.

We learned some principles of how to organize thought, and to define whether something is true or not true. See more contents related to the theme. And may wisdom be with you.

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Logic = Reason

Proposition = Propose something

Proposition = subject + predicate

Dirt = Core of the proposition

Predicate = core feature

 

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logic, proposition, pythagoras, water, physical properties, subject, predicate




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