1. The document is a paper on Boolean algebra written by Jefferson Raga from the Instituto Universitario Politécnico "Santiago Mariño" in Cabimas, Venezuela in June 2016. It contains 8 problems solving Boolean expressions step-by-step. 2. The first problem simplifies the expression F= X'Y'+ X'YZ'+XY'Z'+XYZ'+XYZ to F=X'Y'+ Z'+XY. 3. The second problem simplifies the expression F=ABC+A'B'C'+A'B'C+A'BC+AB'C'+AB'C to F=A'B'+AB'+BC.