The paper introduces basics of a notion of voting game theory and illustrates its application in practice. Examples outlined in the paper show how the theory works in practice of parliamentary institutions. A few simple examples explain the difference between voting weight and voting power and show how important analysis of voting games is in practice. A study of selected decisive systems explains meaning of such notions as winning and blocking coalitions, initiative and preventive power of a player etc.

Słowa kluczowe

Artificial Intelligence (incl. Robotics), Computation by Abstract Devices, decision making, Discrete Mathematics in Computer Science, Logics and Meanings of Programs, Mathematical Logic and Formal Languages, power indexes, Simulation and Modeling, square root law, voting games, winning and blocking coalitions