Euler and Venn diagrams are used to visualise the relationships between sets. Both typically employ circles to represent sets, and areas where two circles overlap represent subsets common to both ...

library(ggvenn) a <- list(A = 1:5, B = 4:9, C = 3:7, D = 1:20, E = 15:19) ggvenn(a, c("A", "B")) # draw two-set venn ggvenn(a, c("A", "B", "C")) # draw three-set venn ...

Abstract: We describe a tool that supports verification of workflow models specified in UML activity diagrams. The tool translates an activity diagram into an input format for a model checker ...

Abstract: The UML behavioral models are used in understanding and communicating the problem domain concepts, during the requirement analysis phase of system development. The absence of formal ...

For many of us, anxiety and depression stemming from the climate crisis have become nearly ubiquitous with the plight of modern life. We deliver quippy one-liners about the world being on fire, share ...

Look at this stack of 4 cups. (If possible, have some real plastic cups in the classroom.) It’s 16 cm high. How high would a stack of 8 cups be? Why? This is a bit of a trick question. Students are ...