The credentials fallacy is a logical fallacy that occurs when someone dismisses an argument by stating that whoever made it doesn’t have proper credentials, so their argument must be wrong or unimportant.| Effectiviology
A logical fallacy is a pattern of reasoning that contains a flaw, either in its logical structure or in its premises.| Effectiviology
A snuck premise is a controversial and unsupported assumption that someone includes in their argument as if it’s necessarily true. For example, if someone says “the problem with this immoral law is that it will have negative consequences”, the premise that the law is immoral can be considered snuck, if it’s controversial and unsupported by evidence.| Effectiviology