↓

 ( Logic Symbols ) 

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 mathematical symbol for "approaching from above"
• 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
• The precipitation of an insoluble solid, in chemical notation

• Down sign (disambiguation)
• Arrow (disambiguation)
• ↑ (disambiguation)
• → (disambiguation)
• ← (disambiguation)