One example of a seemingly plausible argument that is invalid and misleading is the fallacy of affirming the consequent. This fallacy occurs when someone assumes that if a certain condition is met (the consequent), then the original statement must be true. However, this does not logically follow, as there could be other factors at play.

consequent to

The adverb form for the adjective consequent is consequently.

Consequent means "as a result" - in mathematics as well as in ordinary English.

It is 911.