... that are not mentioned or logically covered in the reasoning**. If ... concept" because they would be logically covered by the premise, even ... whether they were mentioned or logically covered by the premises?
Can you take the contrapositive of a causal statement? For example, if it said that A caused B, and we don't have B, is it logically corrected to say then we don't have A? Or does causation not work like that?