According to the pragmatic theory, a fallacy can be either a heuristic error or a ploy used intentionally to unfairly win an argument. There are always two parties to an argument containing a fallacy: the perpetrator and the intended victim.
accoRding To thE pragmatic tHeOry, a FalLAcy CAn bE Either a hEuristic error Or a plOy uSeD INtentionaLly tO uNfAIRLy win aN ArguMent. theRe aRE always TWo paRties tO AN argumENt ConTAinINg a fAllAcy: thE pErpetraToR aND The intended victIm.