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propositions

Here is a list of exercises on logical propositions.


Summary:

Both propositions are predicates that complete sentences for which it is possible to determine whether they are true or false, according to the science of logic.


The difference between predicate and the proposition is that a predicate is a logical statement that identifies a characteristic of the elements of a collection, or grouping them in a whole other set himself taken into account. While a statement is a sentence consisting of a predicate set between two elements of some set, which are called topics. Arguments can be constants or variables, if they are significant variables that may indicate any element of a given set.

Exercises:

Determine whether the following sentences are propositions, predicates, or neither, regardless of whether they are true (T) or false (F) :

1. Daniel is young.
2. Silvio is the boyfriend of Maria.
3. The train goes fast.
4. Christian loves Julia.
5. The pizza sucks.
6. Gianluca hates the sea.
7. 2 is an even number.
8. 5 is less than 2 (5 \u0026lt;2).
9. My sister is 30 years old. Berlusconi is a
10. Mr. President.
11. respect to the Tesla Roadster is an electric car ferrari ff.
12. Gianni's wrong with you.
13. Las Vegas is richer than Dubai.
14. How to make pizza?
15. Where is Dubai?

defined the following sets:

A = {x ∈ N p "x \u0026lt;14"
f "x> 88"
g (x, y) "x precedes y ' _{t" x is "} z (x)' x ≥ 0"

determines a subset for each sentence, taking into account the fact that a proposition is not always identify a subset, and a predicate, although it may be empty.

Note: the set N is the set of natural numbers (positive integers), whereas N 0
private N is the set of 0. The first interval was then (0, + ∞ infinity), the second is (1, + ∞ infinity).