Peirce arrow

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English

[edit]

Etymology

[edit]

Named after Charles Sanders Peirce.

Noun

[edit]

Peirce arrow (plural Peirce arrows)

  1. (logic) The downward arrow symbol ↓ denoting the NOR operation.
    Synonym: Quine dagger
    Coordinate term: Sheffer stroke