Logic of class

• Universal Affirmative : For example, the proposition "All fish are aquatic". This indicates that the class fish are included in full in the aquatic kind. This is a ratio of total inclusion and how to respond, or has or is expressed by: "All S is P"
• Universal Negative : For example, the proposition "Any child is old". This proposition indicates that any element of the class of "children" belongs to the class of "old." This is a case of total exclusion and is expressed in the form "No S is P"
• Particular Affirmative : "Some students are artists" is a proposition which states that at least one member of the class of students is included in the class of artists. This is a partial inclusion relation is expressed, answer or has the form "Some S are P"
• Particular Negative : The proposition "Some roses are not red" states that at least one of the roses is outside the class of the red. Here is a relation of partial exclusion, denoted as "Some S are not P"

• All S is P. Convertiente: Some P is S. P is a subset in S
• Anything S is P Convertiente: No P is S. P does not belong to S
• Some S is P Convertiente: Some P is S. There are elements belonging to P are S and vice versa
• Some S is not P Convertiente: