| HTML | Meaning | |
|---|---|---|
| ¬ |
¬¬U+AC |
Negation Symbol (NOT) The Negation Symbol, denoted as ¬, represents the logical operation of negation. It results in true when its operand is false and vice versa. |
| ∧ |
∧∧U+2227 |
Conjunction Symbol (AND) Represents the logical operation of conjunction, which is true only when both of its operands are true. |
| ∨ |
∨∨U+2228 |
Disjunction Symbol (OR) Represents the logical operation of disjunction, which is true if at least one of its operands is true. |
| → |
→→U+2192 |
Implication Symbol Represents the logical operation of implication, where if the antecedent is true, then the consequent must be true. |
| ↔ |
↔↔U+2194 |
Biconditional Symbol (If and Only If) Represents the logical operation of biconditional, which is true when both operands have the same truth value. |
What is the Negation Symbol (NOT)?
The Negation Symbol, symbolized by ¬, is used in logic to denote the logical operation of negation. A negation results in true when its operand is false and vice versa.
Alternative Representations in Software and Programming
In various software applications and programming languages, the "not" operation can be represented differently:
- JavaScript (JS): The logical "not" is represented using
!. For example,!x. - Google Sheets: Uses the function
NOT(), as in=NOT(A1=10). - Excel: Primarily uses the function
NOT(), like=NOT(A1=10).
Applications of the Negation Symbol in Various Fields
The Negation Symbol (¬) has applications in multiple disciplines:
- Mathematics: Widely used in propositional logic and other mathematical contexts.
- Computer Science: Employed in programming for logical operations and conditions.
- Philosophy: Used in formal logic and philosophical arguments.
The interpretation of the Negation Symbol largely depends on its contextual usage, whether in academic disciplines or applied sciences.
How to Type the Negation Symbol Using Keyboard Shortcuts, Alt Codes, and LaTeX
- Windows: Hold down the Alt key and type the appropriate code on the numeric keypad, then release the Alt key. (The specific Alt code may vary based on font and software.)
- Mac: Specific shortcut might vary. Often, specialized software or settings are needed.
- Linux: Press Ctrl + Shift + u, then type the Unicode hexadecimal and press Enter.
- HTML: Use the named entity appropriate for the negation symbol or its numeric entity.
- LaTeX: To type the Negation Symbol in LaTeX, use the command
\lnot.
Symbols' Images
