Modus Ponens is very simple. lets say you have this example If today is Monday, then tomorrow is Tuesday. Today is Monday Therefore tomorrow is Tuesday. That is a valid argument because of modus...
It is a valid argument form in which:
If X, then Y.
X.
Therefore, Y.
Example:
If my dog is old, he will die soon.
My dog is old.
Therefore, he will die soon.
It is a valid argument form in which:
If it's not X, it's not Y.
It's not Y.
Therefore, it's not X.
Example:
If your school is not situated on Earth, it is not situated in America.
Your school...