Switching the hypothesis and conclusion of a conditional statement. For example, the converse of If it is raining then the grass is wet is If the grass is wet then it is raining.. Note: As in the example, a proposition may be true but have a false converse. See also.
In many instances, clogged arteries do not cause any symptoms until a major event, such as a heart attack or stroke, occurs. At other times, especially when the the artery is blocked by 70% or more, the buildup of arterial plaque may cause symptoms that include: 1  Chest pain. 2  Shortness of breath. 3  Heart palpitations.4  Weakness or dizziness. 5  Nausea.6  Sweating.t other times, especially when the the artery is blocked by 70% or more, the buildup of arterial plaque may cause symptoms that include: 1  Chest pain. 2  Shortness of breath. 3  Heart palpitations. 4  Weakness or dizziness.
Arteries are blood vessels that carry blood rich in oxygen throughout your body. They go to your brain as well as to the tips of your toes. Healthy arteries have smooth inner walls and blood flows through them easily. Some people, however, develop clogged arteries. Clogged arteries result from a buildup of a substance called plaque on the inner walls of the arteries. Arterial plaque can reduce blood flow or, in some instances, block it altogether.