Changes

It is often possible to agree on "facts about opinions." For example:

It is often possible to agree on "facts about opinions." For example:

*''regardless of whether the phlogiston theory is or is not true,'' it is a fact that it was the dominant scientific theory of combustion from about 1718, when Stahl developed it, until 1777, when Lavoisier published "Sur la combustion en général."

*''regardless of whether the phlogiston theory is or is not true,'' it is a fact that it was the dominant scientific theory of combustion from about 1718, when Stahl developed it, until 1777, when Lavoisier published "Sur la combustion en général."

*''regardless of the medical effectiveness of bleeding,'' at the time of [[George Washington]]'s final illness it was the generally accepted medical treatment for many kinds of illness.

*''regardless of the medical effectiveness of bleeding,'' it is a fact that at the time of [[George Washington]]'s final illness it was the generally accepted medical treatment for many kinds of illness.

*''regardless of whether or not the Apollo astronauts actually landed on the Moon,'' it is a fact that a large number of people—about 6% of the U. S. population, according to one poll—believe that the landing was a hoax or deception and that it never occurred.

*''regardless of whether or not the Apollo astronauts actually landed on the Moon,'' it is a fact that a large number of people—about 6% of the U. S. population, according to one poll—believe that the landing was a hoax or deception and that it never occurred.