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Polish- or Łukasiewicz's notation for logic
Concept | Conventional notation |
Polish notation |
Polish / English word |
---|---|---|---|
w:Negation | Nφ | negation (No)} | |
Conjunction | Kφψ | conjunction | |
w:Disjunction | Aφψ | alternate OR=disjunction | |
w:Material conditional | Cφψ | implication | |
w:Biconditional | Eφψ | equivalence' | |
w:Falsum | O | False value | |
w:Sheffer stroke | Dφψ | Sheffer stroke | |
Possibility | Mφ | contingent | |
Necessity | Lφ | Necessary condition | |
w:Universal quantifier | Πpφ | kwantyfikator ogólny | ANY:
For all p, \phi|Universal quantifier |
Existential quantifier | Σpφ | Exists |