• He earned his medical degree at Harvard University back in 1869 but never practiced medicine;
• He taught at Harvard in 1873 for physiology and was the first to offer the course "physiological psychology";
• He is popularly known for his number of theo...

While the premises may be true in an argument, the conclusion may or may not be correct, making the argument invalid. Example of an incorrect argument: Some New Yorkers are rude, some of them are artists, therefore some artists are rude.

A counterexample method is...

Religions are divisions, making people separate from others. Most religions follow the concept of belief, that the truth is already there and you simply have to believe in it.

These religions have imposed beliefs, doctrines and sets of ideas that are supposed to be holding the truth, and ...