for the propositional function a(x), assume the universe of discourse is
u = {sdf, mco, lax, cdg, uio}.
using disjunctions, conjunctions and negations, expand: ? x a(x)
type answer if possible

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

Hundred and tens tables to make 430 in five different ways

Through which points should a line of rotation be placed to create a cylinder with a radius of 3 units