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: <@350789612572246018> JS files don't get run like PHP. That would be astonishingly stupid.
gollark: Yes.
gollark: <@!378840449152188419> <@89956374426976256> Can one of you add an OC wireless relay near your sniffers so they (maybe) will get OC messages?
gollark: I was talking about the 1050Ti.
gollark: You say that as if I actually want to spend £130 on a new card I would barely be able to use.

See also
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