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# Kopu darbības

Assign different set operators to the characters in your LibreOffice Math formula. The individual operators are shown in the lower section of the Elements pane. Call the context menu in the Commands window to see an identical list of the individual functions. Any operators not found in the Elements pane have to be entered directly in the Commands window. You can also directly insert other parts of the formula even if symbols already exist for them.

Lai piekļūtu šai komandai...

Open the context menu in the Commands window - choose Set Operations

Choose View - Elements; then on the Elements pane select Set Operations from the listbox.

After selecting the Set Operations item in the Elements pane, relevant icons will be shown in the lower part of this pane. Simply click a symbol to incorporate the operator in the formula being edited in the Commands window.

### The set operations in detail:

ir iekļauts iekš

Use the icon to insert the is included in set operator with two placeholders. You can also enter <?> in <?> directly into the Commands window.

nav iekļauts iekš

Use this icon to insert the is not included in set operator with two placeholders. You can also enter <?> notin <?> in the Commands window.

iekļauj

Use this icon to insert the set operator includes with two placeholders. You can also enter <?> owns <?> or <?> ni <?> directly in the Commands window.

tukša kopa

Use this icon to insert an empty set. Enter emptyset in the Commands window, in order to insert an empty set into your document.

Šķēlums

Use this icon to insert two placeholders with the set operator intersection of sets . The same happens if you enter <?> intersection <?> Commands window.

Apvienojums

Use this icon to insert the union set operator with two placeholders. You can also enter <?> union <?> directly in the Commands window.

Atšķirība

Use this icon to insert the difference set operator. You can also enter <?> setminus <?> or <?> bslash <?> in the Commands window.

Koeficientu kopa

Use this icon to insert a slash for creating a quotient set with two placeholders. Enter <?>slash<?> in the Commands window, to achieve the same result.

aleph

Use this icon to insert a cardinal number. You can achieve the same result by entering aleph in the Commands window.

Apakškopa

Use this icon to insert the is a subset of set operator. You can also enter <?>subset<?> directly in the Commands window.

Apakškopa vai vienāds ar

Use this icon to insert the is a subset or equal to set operator with two placeholders. You can also enter <?>subseteq<?> in the Commands window.

Virskopa

Use this icon to insert the set operator is a superset of and two placeholders. You can also enter <?>supset<?> in the Commands window.

Virskopa vai vienāds ar

Use this icon to insert the set operator is a super set or equal to with two placeholders. Alternatively, you can enter <?>supseteq<?> in the Commands window.

nav apakškopa

Use this icon to insert the not subset set operator with two placeholders. Instead of this, you can also enter <?>nsubset<?>.

nav apakškopa vai vienāds ar

Use this icon to insert the not subset or equal set operator with two placeholders. You can also enter <?>nsubseteq<?> in the Commands window.

nav virskopa

Use this icon to insert the not superset set operator with two placeholders. You can also enter <?>nsupset<?> in the Commands window.

nav virskopa vai vienāds ar

Use this icon to insert the not superset or equal set operator with two placeholders. Instead of this you can type <?>nsupseteq<?> in the Commands window.

Naturālo skaitļu kopa

Use this icon to insert a character for the set of natural numbers. Instead of this, you can enter setn in the Commands window.

Veselo skaitļu kopa

Use this icon to insert a character for the set of whole numbers. You can also do this by entering setz in the Commands window.

Racionālo skaitļu kopa

Use this icon to insert a character for the set of rational numbers. You can also do this by directly entering setq in the Commands window.

Reālo skaitļu kopa

Use this icon to insert a character for the set of real numbers. Instead of this, you can enter setr in the Commands window.

Komplekso skaitļu kopa

Use this icon to insert a character for the set of complex numbers. You can also enter setc in the Commands window.

Be sure to leave spaces (gaps) between values and commands when entering them manually in the Commands window. This ensures that the correct structure is achieved.