However, the norm at one time also was that the world was flat, the Earth was the center of the universe, and the world was created by a deity in 6 days.
Best be careful about absolute statements based on norms and wisdom of the day.
By the way, your statement should be interpreted as a Statement of Fact, and thus is not a claim but an implicit argument.
Quote
To state the facts well, we must realize that the Statement of Facts is an implicit argument. What is an implicit argument? Any argument, whether implicit or explicit, is an answer to the question "why".
Quote
The main advantage of the limited opening system
Quote
is in competition.

Help
