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.
Other symptoms of coronary artery disease include: 1  Shortness of breath. 2  Palpitations (irregular heart beats, or a flip-flop feeling in your chest) 3  A faster heartbeat.  Weakness or 1  dizziness. Nausea.  Sweating.