Rules of replacement are acceptable because the rules capture an important idea about logical equivalence. a) true
b) false

The answer is "Option b".

Explanation:

Logically, the replacement of rule is the rule of substitution that could only lead to a specific part of the logical expression, it is identical phrases will start replacing each other within the structure of valid logic.  

well it depends i think people around the world are coming around to gay marriage. but if you are talking abortion then wow, so much to talk about. such as men thinking they have the right to choose if women can, the fact there are health concerns if the women can't get one, and many more arguments to discuss. so i would definitely say abortion would be a much more interesting topic.

answer; knowledge,reason,and judgement;