His function is to help maintain and strengthen the beliefs of the converted. . . . Click here to see a list of Propaganda Techniques . Features a complete discussion of techniques, with definitions, explanations, and examples. . Strong Sense CT Writing Center Study Skills . Every claim has some probability of being true.
Some claims are true beyond any reasonable doubt.
For instance, we are quite certain that the earth is roughly a sphere. Other claims are not so certain. There might be, but no one really knows. It is important to use the proper modality. You don't want to overstep your evidentiary limits.