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Additive and Multiplicative Principles

When to add and when to multiply choices, drawn out of a menu-and-cards example rather than stated as a rule up front.

Discrete Mathematics: An Open Introduction, Additive and Multiplicative Principles

Adapted from Discrete Mathematics: An Open Introduction © 2013–2019 Oscar Levin. Licensed under CC BY-SA 4.0. Source: Discrete Mathematics: An Open Introduction. Imported at revision 1e2e26b.