| 释义 |
- See also
{{wiktionary|↓|down}}The arrow symbol ↓ may refer to: - The downward direction, a relative direction
- The keyboard cursor control key, an arrow key
- A downwards arrow, a Unicode arrow symbol
- Logical NOR, operator which produces a result that is the negation of logical OR
- An undefined object, in mathematical well-definition
- A comma category, in category theory
- Down (game theory), a mathematical game
- The ingressive sound, in phonetics
- An APL function
- "Decreased" (and similar meanings), in medical notation
See also- Down sign (disambiguation)
- Arrow (disambiguation)
- ↑ (disambiguation)
- → (disambiguation)
- ← (disambiguation)
{{disambiguation}} 1 : Logic symbols |