Provide proofs or disproofs of the following arguments (use conditional proof and 4 quantifier rules like existential instantiation, universal generalization, etc.). Anyone who repairs his or her own...

Extracted text: Provide proofs or disproofs of the following arguments (use conditional proof and 4 quantifier rules like existential instantiation, universal generalization, etc.). Anyone who repairs his or her own car is highly skilled and saves a lot of money on repairs. Some people who repair their own cars have menial jobs. Therefore, some people with menial jobs are highly skilled.