0 votes 0 votes My doubt is in second hasse diagram for (I,g) lub should be I and j so it is not lattice please correct me if i amwrong Set Theory & Algebra zeal discrete-mathematics set-theory&algebra lattice + – Prince Sindhiya asked Nov 17, 2018 • recategorized Mar 9, 2019 by ajaysoni1924 Prince Sindhiya 747 views answer comment Share Follow See all 6 Comments See all 6 6 Comments reply Show 3 previous comments prabhas44 commented Dec 13, 2019 reply Follow Share i think in fig 1 b and d doesn't have LUB so fig 1 is not a lattice.pls correct if am wrong 0 votes 0 votes Deepak Poonia commented Dec 13, 2019 reply Follow Share i think in fig 1 b and d doesn't have LUB so fig 1 is not a lattice. Correct. 2 votes 2 votes Antaroop commented Jan 25, 2020 reply Follow Share @ Deepakk Poonia In Figure 1, along with (b,d), b and c doesn't have LUB, c and d doesn't have LUB as well.Am I Right ? 0 votes 0 votes Please log in or register to add a comment.