Discover the core of logical reasoning: Dive into the world of logic symbols.
Logic signs and symbols
Symbol | Symbol Name | Meaning / definition | Example |
---|---|---|---|
⋅ | and | and | x ⋅ y |
^ | caret / circumflex | and | x ^ y |
& | ampersand | and | x & y |
+ | plus | or | x + y |
∨ | reversed caret | or | x ∨ y |
| | vertical line | or | x | y |
x' | single quote | not - negation | x' |
x | bar | not - negation | x |
¬ | not | not - negation | ¬ x |
! | exclamation mark | not - negation | ! x |
⊕ | circled plus / oplus | exclusive or - xor | x ⊕ y |
~ | tilde | negation | ~ x |
⇒ | implies | ||
⇔ | equivalent | if and only if (iff) | |
↔ | equivalent | if and only if (iff) | |
∀ | for all | ||
∃ | there exists | ||
∄ | there does not exists | ||
∴ | therefore | ||
∵ | because / since |
You can find a detailed list of logic symbols and their meanings in various logic textbooks, online resources, or educational websites dedicated to logic and mathematics