Of course, you can't apply a Karnaugh map if you don't know what it is or how to use it. And you can't reduce a logic equation if you don't know the rules of symbolic logic. I chose to teach you these ...

Canonical forms of switching functions. Switching function minimization using Karnaugh maps. Two-level and multi-level combinational circuits. Gate conversion. Decoders, encoders, multiplexers, and ...