Descending wedge

The vertically reflected symbol, ∧, is a wedge, and often denotes related or dual operators.

The descending wedge symbol ∨ may represent:

The ∨ symbol was introduced by Russell and Whitehead in Principia Mathematica, where they called it the Logical Sum or Disjunctive Function.[1]

In Unicode the symbol is encoded U+2228 ∨ LOGICAL OR (HTML ∨ · ∨, ∨). In TeX, it is \vee or \lor.

Notes
  1. Bertrand Russell, Alfred North Whitehead, Principia Mathematica, I:6 (1910)
gollark: Ferris cult WHEN?
gollark: ↓ all those spamming are isomorphic to the following
gollark: <#471332775434125313> appears to have had a containment breach.
gollark: Orbital laser strikes.
gollark: Maybe I should take my own advice and somehow join all the cults in the next... 3 hours.

See also
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