What is an EMG/NCS and why is it helpful? EMG stands for Electromyograghy and NCS stands for Nerve Conduction Study. These two studies are done together; but on occasions, the EMG portion is skipped depending on the diagnosis and the result of the NCS portion. The test is performed in the sitting or lying position.
Math Planet If : A conditional statement is false if hypothesis is true and the conclusion is false. If we rearrange a conditional statement or change parts of it then we have If both statements are true or if both statements are false then the converse is true.
Switching the hypothesis and conclusion of a conditional statement and negating both. For example, the contrapositive of If it is raining then the grass is wet is If the grass is not wet then it is not raining.. Note: As in the example, the contrapositive of any true proposition is also true. See also. Converse, inverse of a conditional, biconditional.