fallacy
fallacy (falacia)
a mistake in reasoning that makes an argument seem stronger than it really is.
Example
Don't listen to her plan; she can't even keep her car clean. (A fallacy: it attacks the person, not the plan.)
In Spanish
fallacy (falacia) — un error de razonamiento que hace que un argumento parezca más fuerte de lo que realmente es.
Don't listen to her plan; she can't even keep her car clean. (Una falacia: ataca a la persona, no al plan.)