### 4.2.9. Boolean Operations

You can use the following Boolean operations in GeoGebra:

| Operation | Example | Types
equal | ≟ or == | a ≟ b or a == b | numbers, points, lines, conics a, b
unequal | ≠ or != | a ≠ b or a != b | numbers, points, lines, conics a, b
less than | < | a < b | numbers a, b
greater than | > | a > b | numbers a, b
less or equal than | ≤ or <= | a ≤ b or a <= b | numbers a, b
greater or equal than | ≥ or >= | a ≥ b or a >= b | numbers a, b
and | ∧ | a ∧ b | Booleans a, b
or | ∨ | a ∨ b | Booleans a, b
not | ¬ or ! | ¬a or !a | Booleans a
parallel | ∥ | a ∥ b | lines a, b
perpendicular | ⊥ | a ⊥ b | lines a, b

Related Topics

4.2. Direct Input

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