question 7 determine if the conclusion follows logically from the premises. some nerds do not wear glasses…

question 7 determine if the conclusion follows logically from the premises. some nerds do not wear glasses. grandpa wears glasses. therefore, grandpa is not a nerd. valid argument invalid argument all cows eat grass. all animals that eat grass live outdoors. therefore, all cows live outdoors. valid argument invalid argument question help: message instructor check answer
Answer
Brief Explanations:
- For the first argument about nerds and glasses: Just because some nerds don't wear glasses and grandpa wears glasses, it doesn't mean grandpa can't be a nerd. The "some" in the first - premise doesn't exclude the possibility of other nerds wearing glasses.
- For the second argument about cows: If all cows eat grass and all animals that eat grass live outdoors, by the law of syllogism, it logically follows that all cows live outdoors.
Answer:
- Invalid argument
- Valid argument