**1**Definition of function**1.1**Represent situations of your context by means of relations.**1.2**Determine which properties are met by a relation.

**2**Cartesian product**1.1**Cartesian product**2.2**Find the Cartesian product between two sets.**2.3**Represent the Cartesian product of two sets through Venn diagrams and Cartesian planes.**2.4**Deduce the transitive property of relations.**2.5**Determine which properties are met by a relation.

**3**Associations between sets**3.1**Recognize a function as the assignation of an element from one set to another, through a given rule.**3.2**Recognize a function as a special type of relation.**3.3**Identify relations that are functions.**3.4**Identify relations that are not functions.**3.5**Identify domain, codomain and range of a function.

**4**Definition of function through relations**4.1**Classify relations describing situations of your context, according to differences and similarities.**4.2**Deduce the reflexive property of relations.**4.3**Deduce the symmetric property of relations.**4.4**Deduce the antisymmetric property of relations.**4.5**Deduce the transitive property of relations.

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