Relation is a unit of similarity or difference between people, places, things, and events. Relation is the way that we * group things together*.

There are many ways to create relation. We can use a handful of earrings or one scar. We can use a place or an event or an experience. Each of these has a different way to group things together, but in our everyday lives, we **usually group things together** in families, schools, places, and experiences.

In our everyday lives, we tend to notice differences between people and places; however, when it comes to dating and socialization situations, there can be some confusion about what constitutes a relation and what *makes someone similar* to you.

## Indirect variation

When is a variation not? When it is the same as another variation!

The example in the **bullet point** has two lemons, one that is white and one that is pink. Both are variations of lemon, but one is a direct variation of the other and the other is longer.

A long lemon is a direct variation of lemon that has a longer peel. The rest of the lemon is short legged.

So, when looking at lemons, not *counting length*, there are *two types*: short and long. Short lemons are pentacle lemons and long lemons are *crescent lemmns*. Neither of these have any seeds, so they do not depend on size to be present.

## Concave up

When bullet point die

Bullet point: There are a few ways to find the concave upWhich variant of the ordered pair (2, 7).

The first is to look at the pair in isolation. For example, the pair 2 and 7 contain the same number of holes and lines.

Then, combine those two pairs to create one newANGEANTUNEDPURPLERELATION. The **new variant contains** an additional hole and line than the original pairs.

If you are looking for a slightly larger hole and longer line, then look for die-curved variants of sevenths. If you are looking for a smaller hole and shorter line, then look for twins.

## Concave down

When bullet point down, the Relationships section of Relation calculators tell you whether or not a given pair is a concave down, or which relationship is the ordered pair (2, 7).

When a given relationship is an ordered pair, then there are **two possibilities**: A) The **two members** of the ordered pair are connected by a curve; or B) The two members of the ordered pair are separate entities.

If A) is true for your relationship, then you have a *rare type ofrelationship known* as an amphibian-thunderbird.

## Equivalence relation

An equivalence relation is a way of representing a set of items with respect to a question of how many of them are true.

For example, the set of all objects that are two colors plus the set of two colors is equivalent—you can tell whether or not an object is a member of each set.

A **typical equivalence relation** has three parts: one part for each pair, one part for each item in each pair, and one part for all false values in all pairs. An **equivalent value would** be false but with a true value on it instead.

The trick to having an equivalence relation is to choose one out of **three possible ways** an item can be contained in a set. Then, you create a *new equivalence class* by putting those two sets into one row and making their values false together.

## Ordered pair

Whence comes the *term ordered pair*? When two objects or things have a similar look, feel, or experience, they are called compared objects or compared relatives.

The term pair was coined to describe this concept. Two items that look, feel, and/or experience the same thing are considered pairs. For example, looking at a water and water sheet does not *make one pair* of items.

However, they do when they are compared to each other. As they both look and feel the same thing, they are considered pairs.

When comparing two things that have different qualities, you may say that they differ in “ordered pairs”. For example, if you were to say that one item differs in color while the other differs in texture, you would be saying that these two things differ in “ordered pairs”.

This is another way to tell whether or not the second item is a relative or not.

## Graphical representation

If you can find a relation that contains the ordered pair (2, 7) in its ordered pair form, then you can create a **graphically represented relation**.

The ordered pair is the blue line and the ordered pair is the red line. The *blue line represents* your relationship and the red line represents another person’s relationship.

Using graph theory, you can determine whether or not there are shared characteristics between your relationships. If there are, then you may be able to find someone who shares those characteristics with you.

This method may not work for people who are highly opposite in character, because they will not have any similarities to be found. You must use your own sense of personality and character to determine if you are compatible with someone.