A two-dimensional boundary is a line that separates two regions or areas on a plane. For example, the boundary of a circle is the circumference, and the boundary of a square is the four sides. A two-dimensional boundary can also be defined as the set of points where a function changes its value or sign. For example, the boundary of the region where f(x,y) > 0 is the curve where f(x,y) = 0.
Political Propaganda The evolution of political propaganda from World War II to modern times is rich and complex, This article attempts to pull out differing themes we can see as they travel through time and Read more…
Critical thinking is an essential concept that refers to the self-guided, self-disciplined thinking that aims to reason at the highest level of quality in a fair-minded way. In this article we will look at the origins and influencers of the critical approach, and maps out the important foundations to this life changing system of thinking.
There are intrusive actions, intrusive feelings, intrusive emotions and intrusive thoughts. They are all intrusive, as they are not wanted, but there is no indication of them being from someone else, or an external influence.